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_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_bitmap: 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, u8 *r_bitmap,
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 memcpy(cmd->recipe_assoc, r_bitmap, sizeof(cmd->recipe_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_bitmap: 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, u8 *r_bitmap,
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 memcpy(r_bitmap, cmd->recipe_assoc, sizeof(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_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);
2113 for (i = 0; i < hw->switch_info->max_used_prof_index + 1; i++) {
2116 bitmap_zero(profile_to_recipe[i], ICE_MAX_NUM_RECIPES);
2117 bitmap_zero(r_bitmap, ICE_MAX_NUM_RECIPES);
2118 if (ice_aq_get_recipe_to_profile(hw, i, (u8 *)r_bitmap, NULL))
2120 bitmap_copy(profile_to_recipe[i], r_bitmap,
2121 ICE_MAX_NUM_RECIPES);
2122 for_each_set_bit(j, r_bitmap, ICE_MAX_NUM_RECIPES)
2123 set_bit(i, recipe_to_profile[j]);
2128 * ice_collect_result_idx - copy result index values
2129 * @buf: buffer that contains the result index
2130 * @recp: the recipe struct to copy data into
2133 ice_collect_result_idx(struct ice_aqc_recipe_data_elem *buf,
2134 struct ice_sw_recipe *recp)
2136 if (buf->content.result_indx & ICE_AQ_RECIPE_RESULT_EN)
2137 set_bit(buf->content.result_indx & ~ICE_AQ_RECIPE_RESULT_EN,
2142 * ice_get_recp_frm_fw - update SW bookkeeping from FW recipe entries
2143 * @hw: pointer to hardware structure
2144 * @recps: struct that we need to populate
2145 * @rid: recipe ID that we are populating
2146 * @refresh_required: true if we should get recipe to profile mapping from FW
2148 * This function is used to populate all the necessary entries into our
2149 * bookkeeping so that we have a current list of all the recipes that are
2150 * programmed in the firmware.
2153 ice_get_recp_frm_fw(struct ice_hw *hw, struct ice_sw_recipe *recps, u8 rid,
2154 bool *refresh_required)
2156 DECLARE_BITMAP(result_bm, ICE_MAX_FV_WORDS);
2157 struct ice_aqc_recipe_data_elem *tmp;
2158 u16 num_recps = ICE_MAX_NUM_RECIPES;
2159 struct ice_prot_lkup_ext *lkup_exts;
2164 bitmap_zero(result_bm, ICE_MAX_FV_WORDS);
2166 /* we need a buffer big enough to accommodate all the recipes */
2167 tmp = kcalloc(ICE_MAX_NUM_RECIPES, sizeof(*tmp), GFP_KERNEL);
2171 tmp[0].recipe_indx = rid;
2172 status = ice_aq_get_recipe(hw, tmp, &num_recps, rid, NULL);
2173 /* non-zero status meaning recipe doesn't exist */
2177 /* Get recipe to profile map so that we can get the fv from lkups that
2178 * we read for a recipe from FW. Since we want to minimize the number of
2179 * times we make this FW call, just make one call and cache the copy
2180 * until a new recipe is added. This operation is only required the
2181 * first time to get the changes from FW. Then to search existing
2182 * entries we don't need to update the cache again until another recipe
2185 if (*refresh_required) {
2186 ice_get_recp_to_prof_map(hw);
2187 *refresh_required = false;
2190 /* Start populating all the entries for recps[rid] based on lkups from
2191 * firmware. Note that we are only creating the root recipe in our
2194 lkup_exts = &recps[rid].lkup_exts;
2196 for (sub_recps = 0; sub_recps < num_recps; sub_recps++) {
2197 struct ice_aqc_recipe_data_elem root_bufs = tmp[sub_recps];
2198 struct ice_recp_grp_entry *rg_entry;
2199 u8 i, prof, idx, prot = 0;
2203 rg_entry = devm_kzalloc(ice_hw_to_dev(hw), sizeof(*rg_entry),
2210 idx = root_bufs.recipe_indx;
2211 is_root = root_bufs.content.rid & ICE_AQ_RECIPE_ID_IS_ROOT;
2213 /* Mark all result indices in this chain */
2214 if (root_bufs.content.result_indx & ICE_AQ_RECIPE_RESULT_EN)
2215 set_bit(root_bufs.content.result_indx & ~ICE_AQ_RECIPE_RESULT_EN,
2218 /* get the first profile that is associated with rid */
2219 prof = find_first_bit(recipe_to_profile[idx],
2220 ICE_MAX_NUM_PROFILES);
2221 for (i = 0; i < ICE_NUM_WORDS_RECIPE; i++) {
2222 u8 lkup_indx = root_bufs.content.lkup_indx[i + 1];
2224 rg_entry->fv_idx[i] = lkup_indx;
2225 rg_entry->fv_mask[i] =
2226 le16_to_cpu(root_bufs.content.mask[i + 1]);
2228 /* If the recipe is a chained recipe then all its
2229 * child recipe's result will have a result index.
2230 * To fill fv_words we should not use those result
2231 * index, we only need the protocol ids and offsets.
2232 * We will skip all the fv_idx which stores result
2233 * index in them. We also need to skip any fv_idx which
2234 * has ICE_AQ_RECIPE_LKUP_IGNORE or 0 since it isn't a
2235 * valid offset value.
2237 if (test_bit(rg_entry->fv_idx[i], hw->switch_info->prof_res_bm[prof]) ||
2238 rg_entry->fv_idx[i] & ICE_AQ_RECIPE_LKUP_IGNORE ||
2239 rg_entry->fv_idx[i] == 0)
2242 ice_find_prot_off(hw, ICE_BLK_SW, prof,
2243 rg_entry->fv_idx[i], &prot, &off);
2244 lkup_exts->fv_words[fv_word_idx].prot_id = prot;
2245 lkup_exts->fv_words[fv_word_idx].off = off;
2246 lkup_exts->field_mask[fv_word_idx] =
2247 rg_entry->fv_mask[i];
2250 /* populate rg_list with the data from the child entry of this
2253 list_add(&rg_entry->l_entry, &recps[rid].rg_list);
2255 /* Propagate some data to the recipe database */
2256 recps[idx].is_root = !!is_root;
2257 recps[idx].priority = root_bufs.content.act_ctrl_fwd_priority;
2258 recps[idx].need_pass_l2 = root_bufs.content.act_ctrl &
2259 ICE_AQ_RECIPE_ACT_NEED_PASS_L2;
2260 recps[idx].allow_pass_l2 = root_bufs.content.act_ctrl &
2261 ICE_AQ_RECIPE_ACT_ALLOW_PASS_L2;
2262 bitmap_zero(recps[idx].res_idxs, ICE_MAX_FV_WORDS);
2263 if (root_bufs.content.result_indx & ICE_AQ_RECIPE_RESULT_EN) {
2264 recps[idx].chain_idx = root_bufs.content.result_indx &
2265 ~ICE_AQ_RECIPE_RESULT_EN;
2266 set_bit(recps[idx].chain_idx, recps[idx].res_idxs);
2268 recps[idx].chain_idx = ICE_INVAL_CHAIN_IND;
2274 /* Only do the following for root recipes entries */
2275 memcpy(recps[idx].r_bitmap, root_bufs.recipe_bitmap,
2276 sizeof(recps[idx].r_bitmap));
2277 recps[idx].root_rid = root_bufs.content.rid &
2278 ~ICE_AQ_RECIPE_ID_IS_ROOT;
2279 recps[idx].priority = root_bufs.content.act_ctrl_fwd_priority;
2282 /* Complete initialization of the root recipe entry */
2283 lkup_exts->n_val_words = fv_word_idx;
2284 recps[rid].big_recp = (num_recps > 1);
2285 recps[rid].n_grp_count = (u8)num_recps;
2286 recps[rid].root_buf = devm_kmemdup(ice_hw_to_dev(hw), tmp,
2287 recps[rid].n_grp_count * sizeof(*recps[rid].root_buf),
2289 if (!recps[rid].root_buf) {
2294 /* Copy result indexes */
2295 bitmap_copy(recps[rid].res_idxs, result_bm, ICE_MAX_FV_WORDS);
2296 recps[rid].recp_created = true;
2303 /* ice_init_port_info - Initialize port_info with switch configuration data
2304 * @pi: pointer to port_info
2305 * @vsi_port_num: VSI number or port number
2306 * @type: Type of switch element (port or VSI)
2307 * @swid: switch ID of the switch the element is attached to
2308 * @pf_vf_num: PF or VF number
2309 * @is_vf: true if the element is a VF, false otherwise
2312 ice_init_port_info(struct ice_port_info *pi, u16 vsi_port_num, u8 type,
2313 u16 swid, u16 pf_vf_num, bool is_vf)
2316 case ICE_AQC_GET_SW_CONF_RESP_PHYS_PORT:
2317 pi->lport = (u8)(vsi_port_num & ICE_LPORT_MASK);
2319 pi->pf_vf_num = pf_vf_num;
2323 ice_debug(pi->hw, ICE_DBG_SW, "incorrect VSI/port type received\n");
2328 /* ice_get_initial_sw_cfg - Get initial port and default VSI data
2329 * @hw: pointer to the hardware structure
2331 int ice_get_initial_sw_cfg(struct ice_hw *hw)
2333 struct ice_aqc_get_sw_cfg_resp_elem *rbuf;
2339 rbuf = kzalloc(ICE_SW_CFG_MAX_BUF_LEN, GFP_KERNEL);
2343 /* Multiple calls to ice_aq_get_sw_cfg may be required
2344 * to get all the switch configuration information. The need
2345 * for additional calls is indicated by ice_aq_get_sw_cfg
2346 * writing a non-zero value in req_desc
2349 struct ice_aqc_get_sw_cfg_resp_elem *ele;
2351 status = ice_aq_get_sw_cfg(hw, rbuf, ICE_SW_CFG_MAX_BUF_LEN,
2352 &req_desc, &num_elems, NULL);
2357 for (i = 0, ele = rbuf; i < num_elems; i++, ele++) {
2358 u16 pf_vf_num, swid, vsi_port_num;
2362 vsi_port_num = le16_to_cpu(ele->vsi_port_num) &
2363 ICE_AQC_GET_SW_CONF_RESP_VSI_PORT_NUM_M;
2365 pf_vf_num = le16_to_cpu(ele->pf_vf_num) &
2366 ICE_AQC_GET_SW_CONF_RESP_FUNC_NUM_M;
2368 swid = le16_to_cpu(ele->swid);
2370 if (le16_to_cpu(ele->pf_vf_num) &
2371 ICE_AQC_GET_SW_CONF_RESP_IS_VF)
2374 res_type = (u8)(le16_to_cpu(ele->vsi_port_num) >>
2375 ICE_AQC_GET_SW_CONF_RESP_TYPE_S);
2377 if (res_type == ICE_AQC_GET_SW_CONF_RESP_VSI) {
2378 /* FW VSI is not needed. Just continue. */
2382 ice_init_port_info(hw->port_info, vsi_port_num,
2383 res_type, swid, pf_vf_num, is_vf);
2385 } while (req_desc && !status);
2392 * ice_fill_sw_info - Helper function to populate lb_en and lan_en
2393 * @hw: pointer to the hardware structure
2394 * @fi: filter info structure to fill/update
2396 * This helper function populates the lb_en and lan_en elements of the provided
2397 * ice_fltr_info struct using the switch's type and characteristics of the
2398 * switch rule being configured.
2400 static void ice_fill_sw_info(struct ice_hw *hw, struct ice_fltr_info *fi)
2404 if ((fi->flag & ICE_FLTR_TX) &&
2405 (fi->fltr_act == ICE_FWD_TO_VSI ||
2406 fi->fltr_act == ICE_FWD_TO_VSI_LIST ||
2407 fi->fltr_act == ICE_FWD_TO_Q ||
2408 fi->fltr_act == ICE_FWD_TO_QGRP)) {
2409 /* Setting LB for prune actions will result in replicated
2410 * packets to the internal switch that will be dropped.
2412 if (fi->lkup_type != ICE_SW_LKUP_VLAN)
2415 /* Set lan_en to TRUE if
2416 * 1. The switch is a VEB AND
2418 * 2.1 The lookup is a directional lookup like ethertype,
2419 * promiscuous, ethertype-MAC, promiscuous-VLAN
2420 * and default-port OR
2421 * 2.2 The lookup is VLAN, OR
2422 * 2.3 The lookup is MAC with mcast or bcast addr for MAC, OR
2423 * 2.4 The lookup is MAC_VLAN with mcast or bcast addr for MAC.
2427 * The switch is a VEPA.
2429 * In all other cases, the LAN enable has to be set to false.
2432 if (fi->lkup_type == ICE_SW_LKUP_ETHERTYPE ||
2433 fi->lkup_type == ICE_SW_LKUP_PROMISC ||
2434 fi->lkup_type == ICE_SW_LKUP_ETHERTYPE_MAC ||
2435 fi->lkup_type == ICE_SW_LKUP_PROMISC_VLAN ||
2436 fi->lkup_type == ICE_SW_LKUP_DFLT ||
2437 fi->lkup_type == ICE_SW_LKUP_VLAN ||
2438 (fi->lkup_type == ICE_SW_LKUP_MAC &&
2439 !is_unicast_ether_addr(fi->l_data.mac.mac_addr)) ||
2440 (fi->lkup_type == ICE_SW_LKUP_MAC_VLAN &&
2441 !is_unicast_ether_addr(fi->l_data.mac.mac_addr)))
2450 * ice_fill_eth_hdr - helper to copy dummy_eth_hdr into supplied buffer
2451 * @eth_hdr: pointer to buffer to populate
2453 void ice_fill_eth_hdr(u8 *eth_hdr)
2455 memcpy(eth_hdr, dummy_eth_header, DUMMY_ETH_HDR_LEN);
2459 * ice_fill_sw_rule - Helper function to fill switch rule structure
2460 * @hw: pointer to the hardware structure
2461 * @f_info: entry containing packet forwarding information
2462 * @s_rule: switch rule structure to be filled in based on mac_entry
2463 * @opc: switch rules population command type - pass in the command opcode
2466 ice_fill_sw_rule(struct ice_hw *hw, struct ice_fltr_info *f_info,
2467 struct ice_sw_rule_lkup_rx_tx *s_rule,
2468 enum ice_adminq_opc opc)
2470 u16 vlan_id = ICE_MAX_VLAN_ID + 1;
2471 u16 vlan_tpid = ETH_P_8021Q;
2479 if (opc == ice_aqc_opc_remove_sw_rules) {
2481 s_rule->index = cpu_to_le16(f_info->fltr_rule_id);
2482 s_rule->hdr_len = 0;
2486 eth_hdr_sz = sizeof(dummy_eth_header);
2487 eth_hdr = s_rule->hdr_data;
2489 /* initialize the ether header with a dummy header */
2490 memcpy(eth_hdr, dummy_eth_header, eth_hdr_sz);
2491 ice_fill_sw_info(hw, f_info);
2493 switch (f_info->fltr_act) {
2494 case ICE_FWD_TO_VSI:
2495 act |= FIELD_PREP(ICE_SINGLE_ACT_VSI_ID_M,
2496 f_info->fwd_id.hw_vsi_id);
2497 if (f_info->lkup_type != ICE_SW_LKUP_VLAN)
2498 act |= ICE_SINGLE_ACT_VSI_FORWARDING |
2499 ICE_SINGLE_ACT_VALID_BIT;
2501 case ICE_FWD_TO_VSI_LIST:
2502 act |= ICE_SINGLE_ACT_VSI_LIST;
2503 act |= FIELD_PREP(ICE_SINGLE_ACT_VSI_LIST_ID_M,
2504 f_info->fwd_id.vsi_list_id);
2505 if (f_info->lkup_type != ICE_SW_LKUP_VLAN)
2506 act |= ICE_SINGLE_ACT_VSI_FORWARDING |
2507 ICE_SINGLE_ACT_VALID_BIT;
2510 act |= ICE_SINGLE_ACT_TO_Q;
2511 act |= FIELD_PREP(ICE_SINGLE_ACT_Q_INDEX_M,
2512 f_info->fwd_id.q_id);
2514 case ICE_DROP_PACKET:
2515 act |= ICE_SINGLE_ACT_VSI_FORWARDING | ICE_SINGLE_ACT_DROP |
2516 ICE_SINGLE_ACT_VALID_BIT;
2518 case ICE_FWD_TO_QGRP:
2519 q_rgn = f_info->qgrp_size > 0 ?
2520 (u8)ilog2(f_info->qgrp_size) : 0;
2521 act |= ICE_SINGLE_ACT_TO_Q;
2522 act |= FIELD_PREP(ICE_SINGLE_ACT_Q_INDEX_M,
2523 f_info->fwd_id.q_id);
2524 act |= FIELD_PREP(ICE_SINGLE_ACT_Q_REGION_M, q_rgn);
2531 act |= ICE_SINGLE_ACT_LB_ENABLE;
2533 act |= ICE_SINGLE_ACT_LAN_ENABLE;
2535 switch (f_info->lkup_type) {
2536 case ICE_SW_LKUP_MAC:
2537 daddr = f_info->l_data.mac.mac_addr;
2539 case ICE_SW_LKUP_VLAN:
2540 vlan_id = f_info->l_data.vlan.vlan_id;
2541 if (f_info->l_data.vlan.tpid_valid)
2542 vlan_tpid = f_info->l_data.vlan.tpid;
2543 if (f_info->fltr_act == ICE_FWD_TO_VSI ||
2544 f_info->fltr_act == ICE_FWD_TO_VSI_LIST) {
2545 act |= ICE_SINGLE_ACT_PRUNE;
2546 act |= ICE_SINGLE_ACT_EGRESS | ICE_SINGLE_ACT_INGRESS;
2549 case ICE_SW_LKUP_ETHERTYPE_MAC:
2550 daddr = f_info->l_data.ethertype_mac.mac_addr;
2552 case ICE_SW_LKUP_ETHERTYPE:
2553 off = (__force __be16 *)(eth_hdr + ICE_ETH_ETHTYPE_OFFSET);
2554 *off = cpu_to_be16(f_info->l_data.ethertype_mac.ethertype);
2556 case ICE_SW_LKUP_MAC_VLAN:
2557 daddr = f_info->l_data.mac_vlan.mac_addr;
2558 vlan_id = f_info->l_data.mac_vlan.vlan_id;
2560 case ICE_SW_LKUP_PROMISC_VLAN:
2561 vlan_id = f_info->l_data.mac_vlan.vlan_id;
2563 case ICE_SW_LKUP_PROMISC:
2564 daddr = f_info->l_data.mac_vlan.mac_addr;
2570 s_rule->hdr.type = (f_info->flag & ICE_FLTR_RX) ?
2571 cpu_to_le16(ICE_AQC_SW_RULES_T_LKUP_RX) :
2572 cpu_to_le16(ICE_AQC_SW_RULES_T_LKUP_TX);
2574 /* Recipe set depending on lookup type */
2575 s_rule->recipe_id = cpu_to_le16(f_info->lkup_type);
2576 s_rule->src = cpu_to_le16(f_info->src);
2577 s_rule->act = cpu_to_le32(act);
2580 ether_addr_copy(eth_hdr + ICE_ETH_DA_OFFSET, daddr);
2582 if (!(vlan_id > ICE_MAX_VLAN_ID)) {
2583 off = (__force __be16 *)(eth_hdr + ICE_ETH_VLAN_TCI_OFFSET);
2584 *off = cpu_to_be16(vlan_id);
2585 off = (__force __be16 *)(eth_hdr + ICE_ETH_ETHTYPE_OFFSET);
2586 *off = cpu_to_be16(vlan_tpid);
2589 /* Create the switch rule with the final dummy Ethernet header */
2590 if (opc != ice_aqc_opc_update_sw_rules)
2591 s_rule->hdr_len = cpu_to_le16(eth_hdr_sz);
2595 * ice_add_marker_act
2596 * @hw: pointer to the hardware structure
2597 * @m_ent: the management entry for which sw marker needs to be added
2598 * @sw_marker: sw marker to tag the Rx descriptor with
2599 * @l_id: large action resource ID
2601 * Create a large action to hold software marker and update the switch rule
2602 * entry pointed by m_ent with newly created large action
2605 ice_add_marker_act(struct ice_hw *hw, struct ice_fltr_mgmt_list_entry *m_ent,
2606 u16 sw_marker, u16 l_id)
2608 struct ice_sw_rule_lkup_rx_tx *rx_tx;
2609 struct ice_sw_rule_lg_act *lg_act;
2610 /* For software marker we need 3 large actions
2611 * 1. FWD action: FWD TO VSI or VSI LIST
2612 * 2. GENERIC VALUE action to hold the profile ID
2613 * 3. GENERIC VALUE action to hold the software marker ID
2615 const u16 num_lg_acts = 3;
2622 if (m_ent->fltr_info.lkup_type != ICE_SW_LKUP_MAC)
2625 /* Create two back-to-back switch rules and submit them to the HW using
2626 * one memory buffer:
2630 lg_act_size = (u16)ICE_SW_RULE_LG_ACT_SIZE(lg_act, num_lg_acts);
2631 rules_size = lg_act_size + ICE_SW_RULE_RX_TX_ETH_HDR_SIZE(rx_tx);
2632 lg_act = devm_kzalloc(ice_hw_to_dev(hw), rules_size, GFP_KERNEL);
2636 rx_tx = (typeof(rx_tx))((u8 *)lg_act + lg_act_size);
2638 /* Fill in the first switch rule i.e. large action */
2639 lg_act->hdr.type = cpu_to_le16(ICE_AQC_SW_RULES_T_LG_ACT);
2640 lg_act->index = cpu_to_le16(l_id);
2641 lg_act->size = cpu_to_le16(num_lg_acts);
2643 /* First action VSI forwarding or VSI list forwarding depending on how
2646 id = (m_ent->vsi_count > 1) ? m_ent->fltr_info.fwd_id.vsi_list_id :
2647 m_ent->fltr_info.fwd_id.hw_vsi_id;
2649 act = ICE_LG_ACT_VSI_FORWARDING | ICE_LG_ACT_VALID_BIT;
2650 act |= FIELD_PREP(ICE_LG_ACT_VSI_LIST_ID_M, id);
2651 if (m_ent->vsi_count > 1)
2652 act |= ICE_LG_ACT_VSI_LIST;
2653 lg_act->act[0] = cpu_to_le32(act);
2655 /* Second action descriptor type */
2656 act = ICE_LG_ACT_GENERIC;
2658 act |= FIELD_PREP(ICE_LG_ACT_GENERIC_VALUE_M, 1);
2659 lg_act->act[1] = cpu_to_le32(act);
2661 act = FIELD_PREP(ICE_LG_ACT_GENERIC_OFFSET_M,
2662 ICE_LG_ACT_GENERIC_OFF_RX_DESC_PROF_IDX);
2664 /* Third action Marker value */
2665 act |= ICE_LG_ACT_GENERIC;
2666 act |= FIELD_PREP(ICE_LG_ACT_GENERIC_VALUE_M, sw_marker);
2668 lg_act->act[2] = cpu_to_le32(act);
2670 /* call the fill switch rule to fill the lookup Tx Rx structure */
2671 ice_fill_sw_rule(hw, &m_ent->fltr_info, rx_tx,
2672 ice_aqc_opc_update_sw_rules);
2674 /* Update the action to point to the large action ID */
2675 act = ICE_SINGLE_ACT_PTR;
2676 act |= FIELD_PREP(ICE_SINGLE_ACT_PTR_VAL_M, l_id);
2677 rx_tx->act = cpu_to_le32(act);
2679 /* Use the filter rule ID of the previously created rule with single
2680 * act. Once the update happens, hardware will treat this as large
2683 rx_tx->index = cpu_to_le16(m_ent->fltr_info.fltr_rule_id);
2685 status = ice_aq_sw_rules(hw, lg_act, rules_size, 2,
2686 ice_aqc_opc_update_sw_rules, NULL);
2688 m_ent->lg_act_idx = l_id;
2689 m_ent->sw_marker_id = sw_marker;
2692 devm_kfree(ice_hw_to_dev(hw), lg_act);
2697 * ice_create_vsi_list_map
2698 * @hw: pointer to the hardware structure
2699 * @vsi_handle_arr: array of VSI handles to set in the VSI mapping
2700 * @num_vsi: number of VSI handles in the array
2701 * @vsi_list_id: VSI list ID generated as part of allocate resource
2703 * Helper function to create a new entry of VSI list ID to VSI mapping
2704 * using the given VSI list ID
2706 static struct ice_vsi_list_map_info *
2707 ice_create_vsi_list_map(struct ice_hw *hw, u16 *vsi_handle_arr, u16 num_vsi,
2710 struct ice_switch_info *sw = hw->switch_info;
2711 struct ice_vsi_list_map_info *v_map;
2714 v_map = devm_kzalloc(ice_hw_to_dev(hw), sizeof(*v_map), GFP_KERNEL);
2718 v_map->vsi_list_id = vsi_list_id;
2720 for (i = 0; i < num_vsi; i++)
2721 set_bit(vsi_handle_arr[i], v_map->vsi_map);
2723 list_add(&v_map->list_entry, &sw->vsi_list_map_head);
2728 * ice_update_vsi_list_rule
2729 * @hw: pointer to the hardware structure
2730 * @vsi_handle_arr: array of VSI handles to form a VSI list
2731 * @num_vsi: number of VSI handles in the array
2732 * @vsi_list_id: VSI list ID generated as part of allocate resource
2733 * @remove: Boolean value to indicate if this is a remove action
2734 * @opc: switch rules population command type - pass in the command opcode
2735 * @lkup_type: lookup type of the filter
2737 * Call AQ command to add a new switch rule or update existing switch rule
2738 * using the given VSI list ID
2741 ice_update_vsi_list_rule(struct ice_hw *hw, u16 *vsi_handle_arr, u16 num_vsi,
2742 u16 vsi_list_id, bool remove, enum ice_adminq_opc opc,
2743 enum ice_sw_lkup_type lkup_type)
2745 struct ice_sw_rule_vsi_list *s_rule;
2754 if (lkup_type == ICE_SW_LKUP_MAC ||
2755 lkup_type == ICE_SW_LKUP_MAC_VLAN ||
2756 lkup_type == ICE_SW_LKUP_ETHERTYPE ||
2757 lkup_type == ICE_SW_LKUP_ETHERTYPE_MAC ||
2758 lkup_type == ICE_SW_LKUP_PROMISC ||
2759 lkup_type == ICE_SW_LKUP_PROMISC_VLAN ||
2760 lkup_type == ICE_SW_LKUP_DFLT)
2761 rule_type = remove ? ICE_AQC_SW_RULES_T_VSI_LIST_CLEAR :
2762 ICE_AQC_SW_RULES_T_VSI_LIST_SET;
2763 else if (lkup_type == ICE_SW_LKUP_VLAN)
2764 rule_type = remove ? ICE_AQC_SW_RULES_T_PRUNE_LIST_CLEAR :
2765 ICE_AQC_SW_RULES_T_PRUNE_LIST_SET;
2769 s_rule_size = (u16)ICE_SW_RULE_VSI_LIST_SIZE(s_rule, num_vsi);
2770 s_rule = devm_kzalloc(ice_hw_to_dev(hw), s_rule_size, GFP_KERNEL);
2773 for (i = 0; i < num_vsi; i++) {
2774 if (!ice_is_vsi_valid(hw, vsi_handle_arr[i])) {
2778 /* AQ call requires hw_vsi_id(s) */
2780 cpu_to_le16(ice_get_hw_vsi_num(hw, vsi_handle_arr[i]));
2783 s_rule->hdr.type = cpu_to_le16(rule_type);
2784 s_rule->number_vsi = cpu_to_le16(num_vsi);
2785 s_rule->index = cpu_to_le16(vsi_list_id);
2787 status = ice_aq_sw_rules(hw, s_rule, s_rule_size, 1, opc, NULL);
2790 devm_kfree(ice_hw_to_dev(hw), s_rule);
2795 * ice_create_vsi_list_rule - Creates and populates a VSI list rule
2796 * @hw: pointer to the HW struct
2797 * @vsi_handle_arr: array of VSI handles to form a VSI list
2798 * @num_vsi: number of VSI handles in the array
2799 * @vsi_list_id: stores the ID of the VSI list to be created
2800 * @lkup_type: switch rule filter's lookup type
2803 ice_create_vsi_list_rule(struct ice_hw *hw, u16 *vsi_handle_arr, u16 num_vsi,
2804 u16 *vsi_list_id, enum ice_sw_lkup_type lkup_type)
2808 status = ice_aq_alloc_free_vsi_list(hw, vsi_list_id, lkup_type,
2809 ice_aqc_opc_alloc_res);
2813 /* Update the newly created VSI list to include the specified VSIs */
2814 return ice_update_vsi_list_rule(hw, vsi_handle_arr, num_vsi,
2815 *vsi_list_id, false,
2816 ice_aqc_opc_add_sw_rules, lkup_type);
2820 * ice_create_pkt_fwd_rule
2821 * @hw: pointer to the hardware structure
2822 * @f_entry: entry containing packet forwarding information
2824 * Create switch rule with given filter information and add an entry
2825 * to the corresponding filter management list to track this switch rule
2829 ice_create_pkt_fwd_rule(struct ice_hw *hw,
2830 struct ice_fltr_list_entry *f_entry)
2832 struct ice_fltr_mgmt_list_entry *fm_entry;
2833 struct ice_sw_rule_lkup_rx_tx *s_rule;
2834 enum ice_sw_lkup_type l_type;
2835 struct ice_sw_recipe *recp;
2838 s_rule = devm_kzalloc(ice_hw_to_dev(hw),
2839 ICE_SW_RULE_RX_TX_ETH_HDR_SIZE(s_rule),
2843 fm_entry = devm_kzalloc(ice_hw_to_dev(hw), sizeof(*fm_entry),
2847 goto ice_create_pkt_fwd_rule_exit;
2850 fm_entry->fltr_info = f_entry->fltr_info;
2852 /* Initialize all the fields for the management entry */
2853 fm_entry->vsi_count = 1;
2854 fm_entry->lg_act_idx = ICE_INVAL_LG_ACT_INDEX;
2855 fm_entry->sw_marker_id = ICE_INVAL_SW_MARKER_ID;
2856 fm_entry->counter_index = ICE_INVAL_COUNTER_ID;
2858 ice_fill_sw_rule(hw, &fm_entry->fltr_info, s_rule,
2859 ice_aqc_opc_add_sw_rules);
2861 status = ice_aq_sw_rules(hw, s_rule,
2862 ICE_SW_RULE_RX_TX_ETH_HDR_SIZE(s_rule), 1,
2863 ice_aqc_opc_add_sw_rules, NULL);
2865 devm_kfree(ice_hw_to_dev(hw), fm_entry);
2866 goto ice_create_pkt_fwd_rule_exit;
2869 f_entry->fltr_info.fltr_rule_id = le16_to_cpu(s_rule->index);
2870 fm_entry->fltr_info.fltr_rule_id = le16_to_cpu(s_rule->index);
2872 /* The book keeping entries will get removed when base driver
2873 * calls remove filter AQ command
2875 l_type = fm_entry->fltr_info.lkup_type;
2876 recp = &hw->switch_info->recp_list[l_type];
2877 list_add(&fm_entry->list_entry, &recp->filt_rules);
2879 ice_create_pkt_fwd_rule_exit:
2880 devm_kfree(ice_hw_to_dev(hw), s_rule);
2885 * ice_update_pkt_fwd_rule
2886 * @hw: pointer to the hardware structure
2887 * @f_info: filter information for switch rule
2889 * Call AQ command to update a previously created switch rule with a
2893 ice_update_pkt_fwd_rule(struct ice_hw *hw, struct ice_fltr_info *f_info)
2895 struct ice_sw_rule_lkup_rx_tx *s_rule;
2898 s_rule = devm_kzalloc(ice_hw_to_dev(hw),
2899 ICE_SW_RULE_RX_TX_ETH_HDR_SIZE(s_rule),
2904 ice_fill_sw_rule(hw, f_info, s_rule, ice_aqc_opc_update_sw_rules);
2906 s_rule->index = cpu_to_le16(f_info->fltr_rule_id);
2908 /* Update switch rule with new rule set to forward VSI list */
2909 status = ice_aq_sw_rules(hw, s_rule,
2910 ICE_SW_RULE_RX_TX_ETH_HDR_SIZE(s_rule), 1,
2911 ice_aqc_opc_update_sw_rules, NULL);
2913 devm_kfree(ice_hw_to_dev(hw), s_rule);
2918 * ice_update_sw_rule_bridge_mode
2919 * @hw: pointer to the HW struct
2921 * Updates unicast switch filter rules based on VEB/VEPA mode
2923 int ice_update_sw_rule_bridge_mode(struct ice_hw *hw)
2925 struct ice_switch_info *sw = hw->switch_info;
2926 struct ice_fltr_mgmt_list_entry *fm_entry;
2927 struct list_head *rule_head;
2928 struct mutex *rule_lock; /* Lock to protect filter rule list */
2931 rule_lock = &sw->recp_list[ICE_SW_LKUP_MAC].filt_rule_lock;
2932 rule_head = &sw->recp_list[ICE_SW_LKUP_MAC].filt_rules;
2934 mutex_lock(rule_lock);
2935 list_for_each_entry(fm_entry, rule_head, list_entry) {
2936 struct ice_fltr_info *fi = &fm_entry->fltr_info;
2937 u8 *addr = fi->l_data.mac.mac_addr;
2939 /* Update unicast Tx rules to reflect the selected
2942 if ((fi->flag & ICE_FLTR_TX) && is_unicast_ether_addr(addr) &&
2943 (fi->fltr_act == ICE_FWD_TO_VSI ||
2944 fi->fltr_act == ICE_FWD_TO_VSI_LIST ||
2945 fi->fltr_act == ICE_FWD_TO_Q ||
2946 fi->fltr_act == ICE_FWD_TO_QGRP)) {
2947 status = ice_update_pkt_fwd_rule(hw, fi);
2953 mutex_unlock(rule_lock);
2959 * ice_add_update_vsi_list
2960 * @hw: pointer to the hardware structure
2961 * @m_entry: pointer to current filter management list entry
2962 * @cur_fltr: filter information from the book keeping entry
2963 * @new_fltr: filter information with the new VSI to be added
2965 * Call AQ command to add or update previously created VSI list with new VSI.
2967 * Helper function to do book keeping associated with adding filter information
2968 * The algorithm to do the book keeping is described below :
2969 * When a VSI needs to subscribe to a given filter (MAC/VLAN/Ethtype etc.)
2970 * if only one VSI has been added till now
2971 * Allocate a new VSI list and add two VSIs
2972 * to this list using switch rule command
2973 * Update the previously created switch rule with the
2974 * newly created VSI list ID
2975 * if a VSI list was previously created
2976 * Add the new VSI to the previously created VSI list set
2977 * using the update switch rule command
2980 ice_add_update_vsi_list(struct ice_hw *hw,
2981 struct ice_fltr_mgmt_list_entry *m_entry,
2982 struct ice_fltr_info *cur_fltr,
2983 struct ice_fltr_info *new_fltr)
2985 u16 vsi_list_id = 0;
2988 if ((cur_fltr->fltr_act == ICE_FWD_TO_Q ||
2989 cur_fltr->fltr_act == ICE_FWD_TO_QGRP))
2992 if ((new_fltr->fltr_act == ICE_FWD_TO_Q ||
2993 new_fltr->fltr_act == ICE_FWD_TO_QGRP) &&
2994 (cur_fltr->fltr_act == ICE_FWD_TO_VSI ||
2995 cur_fltr->fltr_act == ICE_FWD_TO_VSI_LIST))
2998 if (m_entry->vsi_count < 2 && !m_entry->vsi_list_info) {
2999 /* Only one entry existed in the mapping and it was not already
3000 * a part of a VSI list. So, create a VSI list with the old and
3003 struct ice_fltr_info tmp_fltr;
3004 u16 vsi_handle_arr[2];
3006 /* A rule already exists with the new VSI being added */
3007 if (cur_fltr->fwd_id.hw_vsi_id == new_fltr->fwd_id.hw_vsi_id)
3010 vsi_handle_arr[0] = cur_fltr->vsi_handle;
3011 vsi_handle_arr[1] = new_fltr->vsi_handle;
3012 status = ice_create_vsi_list_rule(hw, &vsi_handle_arr[0], 2,
3014 new_fltr->lkup_type);
3018 tmp_fltr = *new_fltr;
3019 tmp_fltr.fltr_rule_id = cur_fltr->fltr_rule_id;
3020 tmp_fltr.fltr_act = ICE_FWD_TO_VSI_LIST;
3021 tmp_fltr.fwd_id.vsi_list_id = vsi_list_id;
3022 /* Update the previous switch rule of "MAC forward to VSI" to
3023 * "MAC fwd to VSI list"
3025 status = ice_update_pkt_fwd_rule(hw, &tmp_fltr);
3029 cur_fltr->fwd_id.vsi_list_id = vsi_list_id;
3030 cur_fltr->fltr_act = ICE_FWD_TO_VSI_LIST;
3031 m_entry->vsi_list_info =
3032 ice_create_vsi_list_map(hw, &vsi_handle_arr[0], 2,
3035 if (!m_entry->vsi_list_info)
3038 /* If this entry was large action then the large action needs
3039 * to be updated to point to FWD to VSI list
3041 if (m_entry->sw_marker_id != ICE_INVAL_SW_MARKER_ID)
3043 ice_add_marker_act(hw, m_entry,
3044 m_entry->sw_marker_id,
3045 m_entry->lg_act_idx);
3047 u16 vsi_handle = new_fltr->vsi_handle;
3048 enum ice_adminq_opc opcode;
3050 if (!m_entry->vsi_list_info)
3053 /* A rule already exists with the new VSI being added */
3054 if (test_bit(vsi_handle, m_entry->vsi_list_info->vsi_map))
3057 /* Update the previously created VSI list set with
3058 * the new VSI ID passed in
3060 vsi_list_id = cur_fltr->fwd_id.vsi_list_id;
3061 opcode = ice_aqc_opc_update_sw_rules;
3063 status = ice_update_vsi_list_rule(hw, &vsi_handle, 1,
3064 vsi_list_id, false, opcode,
3065 new_fltr->lkup_type);
3066 /* update VSI list mapping info with new VSI ID */
3068 set_bit(vsi_handle, m_entry->vsi_list_info->vsi_map);
3071 m_entry->vsi_count++;
3076 * ice_find_rule_entry - Search a rule entry
3077 * @hw: pointer to the hardware structure
3078 * @recp_id: lookup type for which the specified rule needs to be searched
3079 * @f_info: rule information
3081 * Helper function to search for a given rule entry
3082 * Returns pointer to entry storing the rule if found
3084 static struct ice_fltr_mgmt_list_entry *
3085 ice_find_rule_entry(struct ice_hw *hw, u8 recp_id, struct ice_fltr_info *f_info)
3087 struct ice_fltr_mgmt_list_entry *list_itr, *ret = NULL;
3088 struct ice_switch_info *sw = hw->switch_info;
3089 struct list_head *list_head;
3091 list_head = &sw->recp_list[recp_id].filt_rules;
3092 list_for_each_entry(list_itr, list_head, list_entry) {
3093 if (!memcmp(&f_info->l_data, &list_itr->fltr_info.l_data,
3094 sizeof(f_info->l_data)) &&
3095 f_info->flag == list_itr->fltr_info.flag) {
3104 * ice_find_vsi_list_entry - Search VSI list map with VSI count 1
3105 * @hw: pointer to the hardware structure
3106 * @recp_id: lookup type for which VSI lists needs to be searched
3107 * @vsi_handle: VSI handle to be found in VSI list
3108 * @vsi_list_id: VSI list ID found containing vsi_handle
3110 * Helper function to search a VSI list with single entry containing given VSI
3111 * handle element. This can be extended further to search VSI list with more
3112 * than 1 vsi_count. Returns pointer to VSI list entry if found.
3114 struct ice_vsi_list_map_info *
3115 ice_find_vsi_list_entry(struct ice_hw *hw, u8 recp_id, u16 vsi_handle,
3118 struct ice_vsi_list_map_info *map_info = NULL;
3119 struct ice_switch_info *sw = hw->switch_info;
3120 struct ice_fltr_mgmt_list_entry *list_itr;
3121 struct list_head *list_head;
3123 list_head = &sw->recp_list[recp_id].filt_rules;
3124 list_for_each_entry(list_itr, list_head, list_entry) {
3125 if (list_itr->vsi_list_info) {
3126 map_info = list_itr->vsi_list_info;
3127 if (test_bit(vsi_handle, map_info->vsi_map)) {
3128 *vsi_list_id = map_info->vsi_list_id;
3137 * ice_add_rule_internal - add rule for a given lookup type
3138 * @hw: pointer to the hardware structure
3139 * @recp_id: lookup type (recipe ID) for which rule has to be added
3140 * @f_entry: structure containing MAC forwarding information
3142 * Adds or updates the rule lists for a given recipe
3145 ice_add_rule_internal(struct ice_hw *hw, u8 recp_id,
3146 struct ice_fltr_list_entry *f_entry)
3148 struct ice_switch_info *sw = hw->switch_info;
3149 struct ice_fltr_info *new_fltr, *cur_fltr;
3150 struct ice_fltr_mgmt_list_entry *m_entry;
3151 struct mutex *rule_lock; /* Lock to protect filter rule list */
3154 if (!ice_is_vsi_valid(hw, f_entry->fltr_info.vsi_handle))
3156 f_entry->fltr_info.fwd_id.hw_vsi_id =
3157 ice_get_hw_vsi_num(hw, f_entry->fltr_info.vsi_handle);
3159 rule_lock = &sw->recp_list[recp_id].filt_rule_lock;
3161 mutex_lock(rule_lock);
3162 new_fltr = &f_entry->fltr_info;
3163 if (new_fltr->flag & ICE_FLTR_RX)
3164 new_fltr->src = hw->port_info->lport;
3165 else if (new_fltr->flag & ICE_FLTR_TX)
3166 new_fltr->src = f_entry->fltr_info.fwd_id.hw_vsi_id;
3168 m_entry = ice_find_rule_entry(hw, recp_id, new_fltr);
3170 mutex_unlock(rule_lock);
3171 return ice_create_pkt_fwd_rule(hw, f_entry);
3174 cur_fltr = &m_entry->fltr_info;
3175 status = ice_add_update_vsi_list(hw, m_entry, cur_fltr, new_fltr);
3176 mutex_unlock(rule_lock);
3182 * ice_remove_vsi_list_rule
3183 * @hw: pointer to the hardware structure
3184 * @vsi_list_id: VSI list ID generated as part of allocate resource
3185 * @lkup_type: switch rule filter lookup type
3187 * The VSI list should be emptied before this function is called to remove the
3191 ice_remove_vsi_list_rule(struct ice_hw *hw, u16 vsi_list_id,
3192 enum ice_sw_lkup_type lkup_type)
3194 struct ice_sw_rule_vsi_list *s_rule;
3198 s_rule_size = (u16)ICE_SW_RULE_VSI_LIST_SIZE(s_rule, 0);
3199 s_rule = devm_kzalloc(ice_hw_to_dev(hw), s_rule_size, GFP_KERNEL);
3203 s_rule->hdr.type = cpu_to_le16(ICE_AQC_SW_RULES_T_VSI_LIST_CLEAR);
3204 s_rule->index = cpu_to_le16(vsi_list_id);
3206 /* Free the vsi_list resource that we allocated. It is assumed that the
3207 * list is empty at this point.
3209 status = ice_aq_alloc_free_vsi_list(hw, &vsi_list_id, lkup_type,
3210 ice_aqc_opc_free_res);
3212 devm_kfree(ice_hw_to_dev(hw), s_rule);
3217 * ice_rem_update_vsi_list
3218 * @hw: pointer to the hardware structure
3219 * @vsi_handle: VSI handle of the VSI to remove
3220 * @fm_list: filter management entry for which the VSI list management needs to
3224 ice_rem_update_vsi_list(struct ice_hw *hw, u16 vsi_handle,
3225 struct ice_fltr_mgmt_list_entry *fm_list)
3227 enum ice_sw_lkup_type lkup_type;
3231 if (fm_list->fltr_info.fltr_act != ICE_FWD_TO_VSI_LIST ||
3232 fm_list->vsi_count == 0)
3235 /* A rule with the VSI being removed does not exist */
3236 if (!test_bit(vsi_handle, fm_list->vsi_list_info->vsi_map))
3239 lkup_type = fm_list->fltr_info.lkup_type;
3240 vsi_list_id = fm_list->fltr_info.fwd_id.vsi_list_id;
3241 status = ice_update_vsi_list_rule(hw, &vsi_handle, 1, vsi_list_id, true,
3242 ice_aqc_opc_update_sw_rules,
3247 fm_list->vsi_count--;
3248 clear_bit(vsi_handle, fm_list->vsi_list_info->vsi_map);
3250 if (fm_list->vsi_count == 1 && lkup_type != ICE_SW_LKUP_VLAN) {
3251 struct ice_fltr_info tmp_fltr_info = fm_list->fltr_info;
3252 struct ice_vsi_list_map_info *vsi_list_info =
3253 fm_list->vsi_list_info;
3256 rem_vsi_handle = find_first_bit(vsi_list_info->vsi_map,
3258 if (!ice_is_vsi_valid(hw, rem_vsi_handle))
3261 /* Make sure VSI list is empty before removing it below */
3262 status = ice_update_vsi_list_rule(hw, &rem_vsi_handle, 1,
3264 ice_aqc_opc_update_sw_rules,
3269 tmp_fltr_info.fltr_act = ICE_FWD_TO_VSI;
3270 tmp_fltr_info.fwd_id.hw_vsi_id =
3271 ice_get_hw_vsi_num(hw, rem_vsi_handle);
3272 tmp_fltr_info.vsi_handle = rem_vsi_handle;
3273 status = ice_update_pkt_fwd_rule(hw, &tmp_fltr_info);
3275 ice_debug(hw, ICE_DBG_SW, "Failed to update pkt fwd rule to FWD_TO_VSI on HW VSI %d, error %d\n",
3276 tmp_fltr_info.fwd_id.hw_vsi_id, status);
3280 fm_list->fltr_info = tmp_fltr_info;
3283 if ((fm_list->vsi_count == 1 && lkup_type != ICE_SW_LKUP_VLAN) ||
3284 (fm_list->vsi_count == 0 && lkup_type == ICE_SW_LKUP_VLAN)) {
3285 struct ice_vsi_list_map_info *vsi_list_info =
3286 fm_list->vsi_list_info;
3288 /* Remove the VSI list since it is no longer used */
3289 status = ice_remove_vsi_list_rule(hw, vsi_list_id, lkup_type);
3291 ice_debug(hw, ICE_DBG_SW, "Failed to remove VSI list %d, error %d\n",
3292 vsi_list_id, status);
3296 list_del(&vsi_list_info->list_entry);
3297 devm_kfree(ice_hw_to_dev(hw), vsi_list_info);
3298 fm_list->vsi_list_info = NULL;
3305 * ice_remove_rule_internal - Remove a filter rule of a given type
3306 * @hw: pointer to the hardware structure
3307 * @recp_id: recipe ID for which the rule needs to removed
3308 * @f_entry: rule entry containing filter information
3311 ice_remove_rule_internal(struct ice_hw *hw, u8 recp_id,
3312 struct ice_fltr_list_entry *f_entry)
3314 struct ice_switch_info *sw = hw->switch_info;
3315 struct ice_fltr_mgmt_list_entry *list_elem;
3316 struct mutex *rule_lock; /* Lock to protect filter rule list */
3317 bool remove_rule = false;
3321 if (!ice_is_vsi_valid(hw, f_entry->fltr_info.vsi_handle))
3323 f_entry->fltr_info.fwd_id.hw_vsi_id =
3324 ice_get_hw_vsi_num(hw, f_entry->fltr_info.vsi_handle);
3326 rule_lock = &sw->recp_list[recp_id].filt_rule_lock;
3327 mutex_lock(rule_lock);
3328 list_elem = ice_find_rule_entry(hw, recp_id, &f_entry->fltr_info);
3334 if (list_elem->fltr_info.fltr_act != ICE_FWD_TO_VSI_LIST) {
3336 } else if (!list_elem->vsi_list_info) {
3339 } else if (list_elem->vsi_list_info->ref_cnt > 1) {
3340 /* a ref_cnt > 1 indicates that the vsi_list is being
3341 * shared by multiple rules. Decrement the ref_cnt and
3342 * remove this rule, but do not modify the list, as it
3343 * is in-use by other rules.
3345 list_elem->vsi_list_info->ref_cnt--;
3348 /* a ref_cnt of 1 indicates the vsi_list is only used
3349 * by one rule. However, the original removal request is only
3350 * for a single VSI. Update the vsi_list first, and only
3351 * remove the rule if there are no further VSIs in this list.
3353 vsi_handle = f_entry->fltr_info.vsi_handle;
3354 status = ice_rem_update_vsi_list(hw, vsi_handle, list_elem);
3357 /* if VSI count goes to zero after updating the VSI list */
3358 if (list_elem->vsi_count == 0)
3363 /* Remove the lookup rule */
3364 struct ice_sw_rule_lkup_rx_tx *s_rule;
3366 s_rule = devm_kzalloc(ice_hw_to_dev(hw),
3367 ICE_SW_RULE_RX_TX_NO_HDR_SIZE(s_rule),
3374 ice_fill_sw_rule(hw, &list_elem->fltr_info, s_rule,
3375 ice_aqc_opc_remove_sw_rules);
3377 status = ice_aq_sw_rules(hw, s_rule,
3378 ICE_SW_RULE_RX_TX_NO_HDR_SIZE(s_rule),
3379 1, ice_aqc_opc_remove_sw_rules, NULL);
3381 /* Remove a book keeping from the list */
3382 devm_kfree(ice_hw_to_dev(hw), s_rule);
3387 list_del(&list_elem->list_entry);
3388 devm_kfree(ice_hw_to_dev(hw), list_elem);
3391 mutex_unlock(rule_lock);
3396 * ice_vlan_fltr_exist - does this VLAN filter exist for given VSI
3397 * @hw: pointer to the hardware structure
3399 * @vsi_handle: check MAC filter for this VSI
3401 bool ice_vlan_fltr_exist(struct ice_hw *hw, u16 vlan_id, u16 vsi_handle)
3403 struct ice_fltr_mgmt_list_entry *entry;
3404 struct list_head *rule_head;
3405 struct ice_switch_info *sw;
3406 struct mutex *rule_lock; /* Lock to protect filter rule list */
3409 if (vlan_id > ICE_MAX_VLAN_ID)
3412 if (!ice_is_vsi_valid(hw, vsi_handle))
3415 hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle);
3416 sw = hw->switch_info;
3417 rule_head = &sw->recp_list[ICE_SW_LKUP_VLAN].filt_rules;
3421 rule_lock = &sw->recp_list[ICE_SW_LKUP_VLAN].filt_rule_lock;
3422 mutex_lock(rule_lock);
3423 list_for_each_entry(entry, rule_head, list_entry) {
3424 struct ice_fltr_info *f_info = &entry->fltr_info;
3425 u16 entry_vlan_id = f_info->l_data.vlan.vlan_id;
3426 struct ice_vsi_list_map_info *map_info;
3428 if (entry_vlan_id > ICE_MAX_VLAN_ID)
3431 if (f_info->flag != ICE_FLTR_TX ||
3432 f_info->src_id != ICE_SRC_ID_VSI ||
3433 f_info->lkup_type != ICE_SW_LKUP_VLAN)
3436 /* Only allowed filter action are FWD_TO_VSI/_VSI_LIST */
3437 if (f_info->fltr_act != ICE_FWD_TO_VSI &&
3438 f_info->fltr_act != ICE_FWD_TO_VSI_LIST)
3441 if (f_info->fltr_act == ICE_FWD_TO_VSI) {
3442 if (hw_vsi_id != f_info->fwd_id.hw_vsi_id)
3444 } else if (f_info->fltr_act == ICE_FWD_TO_VSI_LIST) {
3445 /* If filter_action is FWD_TO_VSI_LIST, make sure
3446 * that VSI being checked is part of VSI list
3448 if (entry->vsi_count == 1 &&
3449 entry->vsi_list_info) {
3450 map_info = entry->vsi_list_info;
3451 if (!test_bit(vsi_handle, map_info->vsi_map))
3456 if (vlan_id == entry_vlan_id) {
3457 mutex_unlock(rule_lock);
3461 mutex_unlock(rule_lock);
3467 * ice_add_mac - Add a MAC address based filter rule
3468 * @hw: pointer to the hardware structure
3469 * @m_list: list of MAC addresses and forwarding information
3471 int ice_add_mac(struct ice_hw *hw, struct list_head *m_list)
3473 struct ice_fltr_list_entry *m_list_itr;
3479 list_for_each_entry(m_list_itr, m_list, list_entry) {
3480 u8 *add = &m_list_itr->fltr_info.l_data.mac.mac_addr[0];
3484 m_list_itr->fltr_info.flag = ICE_FLTR_TX;
3485 vsi_handle = m_list_itr->fltr_info.vsi_handle;
3486 if (!ice_is_vsi_valid(hw, vsi_handle))
3488 hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle);
3489 m_list_itr->fltr_info.fwd_id.hw_vsi_id = hw_vsi_id;
3490 /* update the src in case it is VSI num */
3491 if (m_list_itr->fltr_info.src_id != ICE_SRC_ID_VSI)
3493 m_list_itr->fltr_info.src = hw_vsi_id;
3494 if (m_list_itr->fltr_info.lkup_type != ICE_SW_LKUP_MAC ||
3495 is_zero_ether_addr(add))
3498 m_list_itr->status = ice_add_rule_internal(hw, ICE_SW_LKUP_MAC,
3500 if (m_list_itr->status)
3501 return m_list_itr->status;
3508 * ice_add_vlan_internal - Add one VLAN based filter rule
3509 * @hw: pointer to the hardware structure
3510 * @f_entry: filter entry containing one VLAN information
3513 ice_add_vlan_internal(struct ice_hw *hw, struct ice_fltr_list_entry *f_entry)
3515 struct ice_switch_info *sw = hw->switch_info;
3516 struct ice_fltr_mgmt_list_entry *v_list_itr;
3517 struct ice_fltr_info *new_fltr, *cur_fltr;
3518 enum ice_sw_lkup_type lkup_type;
3519 u16 vsi_list_id = 0, vsi_handle;
3520 struct mutex *rule_lock; /* Lock to protect filter rule list */
3523 if (!ice_is_vsi_valid(hw, f_entry->fltr_info.vsi_handle))
3526 f_entry->fltr_info.fwd_id.hw_vsi_id =
3527 ice_get_hw_vsi_num(hw, f_entry->fltr_info.vsi_handle);
3528 new_fltr = &f_entry->fltr_info;
3530 /* VLAN ID should only be 12 bits */
3531 if (new_fltr->l_data.vlan.vlan_id > ICE_MAX_VLAN_ID)
3534 if (new_fltr->src_id != ICE_SRC_ID_VSI)
3537 new_fltr->src = new_fltr->fwd_id.hw_vsi_id;
3538 lkup_type = new_fltr->lkup_type;
3539 vsi_handle = new_fltr->vsi_handle;
3540 rule_lock = &sw->recp_list[ICE_SW_LKUP_VLAN].filt_rule_lock;
3541 mutex_lock(rule_lock);
3542 v_list_itr = ice_find_rule_entry(hw, ICE_SW_LKUP_VLAN, new_fltr);
3544 struct ice_vsi_list_map_info *map_info = NULL;
3546 if (new_fltr->fltr_act == ICE_FWD_TO_VSI) {
3547 /* All VLAN pruning rules use a VSI list. Check if
3548 * there is already a VSI list containing VSI that we
3549 * want to add. If found, use the same vsi_list_id for
3550 * this new VLAN rule or else create a new list.
3552 map_info = ice_find_vsi_list_entry(hw, ICE_SW_LKUP_VLAN,
3556 status = ice_create_vsi_list_rule(hw,
3564 /* Convert the action to forwarding to a VSI list. */
3565 new_fltr->fltr_act = ICE_FWD_TO_VSI_LIST;
3566 new_fltr->fwd_id.vsi_list_id = vsi_list_id;
3569 status = ice_create_pkt_fwd_rule(hw, f_entry);
3571 v_list_itr = ice_find_rule_entry(hw, ICE_SW_LKUP_VLAN,
3577 /* reuse VSI list for new rule and increment ref_cnt */
3579 v_list_itr->vsi_list_info = map_info;
3580 map_info->ref_cnt++;
3582 v_list_itr->vsi_list_info =
3583 ice_create_vsi_list_map(hw, &vsi_handle,
3587 } else if (v_list_itr->vsi_list_info->ref_cnt == 1) {
3588 /* Update existing VSI list to add new VSI ID only if it used
3591 cur_fltr = &v_list_itr->fltr_info;
3592 status = ice_add_update_vsi_list(hw, v_list_itr, cur_fltr,
3595 /* If VLAN rule exists and VSI list being used by this rule is
3596 * referenced by more than 1 VLAN rule. Then create a new VSI
3597 * list appending previous VSI with new VSI and update existing
3598 * VLAN rule to point to new VSI list ID
3600 struct ice_fltr_info tmp_fltr;
3601 u16 vsi_handle_arr[2];
3604 /* Current implementation only supports reusing VSI list with
3605 * one VSI count. We should never hit below condition
3607 if (v_list_itr->vsi_count > 1 &&
3608 v_list_itr->vsi_list_info->ref_cnt > 1) {
3609 ice_debug(hw, ICE_DBG_SW, "Invalid configuration: Optimization to reuse VSI list with more than one VSI is not being done yet\n");
3615 find_first_bit(v_list_itr->vsi_list_info->vsi_map,
3618 /* A rule already exists with the new VSI being added */
3619 if (cur_handle == vsi_handle) {
3624 vsi_handle_arr[0] = cur_handle;
3625 vsi_handle_arr[1] = vsi_handle;
3626 status = ice_create_vsi_list_rule(hw, &vsi_handle_arr[0], 2,
3627 &vsi_list_id, lkup_type);
3631 tmp_fltr = v_list_itr->fltr_info;
3632 tmp_fltr.fltr_rule_id = v_list_itr->fltr_info.fltr_rule_id;
3633 tmp_fltr.fwd_id.vsi_list_id = vsi_list_id;
3634 tmp_fltr.fltr_act = ICE_FWD_TO_VSI_LIST;
3635 /* Update the previous switch rule to a new VSI list which
3636 * includes current VSI that is requested
3638 status = ice_update_pkt_fwd_rule(hw, &tmp_fltr);
3642 /* before overriding VSI list map info. decrement ref_cnt of
3645 v_list_itr->vsi_list_info->ref_cnt--;
3647 /* now update to newly created list */
3648 v_list_itr->fltr_info.fwd_id.vsi_list_id = vsi_list_id;
3649 v_list_itr->vsi_list_info =
3650 ice_create_vsi_list_map(hw, &vsi_handle_arr[0], 2,
3652 v_list_itr->vsi_count++;
3656 mutex_unlock(rule_lock);
3661 * ice_add_vlan - Add VLAN based filter rule
3662 * @hw: pointer to the hardware structure
3663 * @v_list: list of VLAN entries and forwarding information
3665 int ice_add_vlan(struct ice_hw *hw, struct list_head *v_list)
3667 struct ice_fltr_list_entry *v_list_itr;
3672 list_for_each_entry(v_list_itr, v_list, list_entry) {
3673 if (v_list_itr->fltr_info.lkup_type != ICE_SW_LKUP_VLAN)
3675 v_list_itr->fltr_info.flag = ICE_FLTR_TX;
3676 v_list_itr->status = ice_add_vlan_internal(hw, v_list_itr);
3677 if (v_list_itr->status)
3678 return v_list_itr->status;
3684 * ice_add_eth_mac - Add ethertype and MAC based filter rule
3685 * @hw: pointer to the hardware structure
3686 * @em_list: list of ether type MAC filter, MAC is optional
3688 * This function requires the caller to populate the entries in
3689 * the filter list with the necessary fields (including flags to
3690 * indicate Tx or Rx rules).
3692 int ice_add_eth_mac(struct ice_hw *hw, struct list_head *em_list)
3694 struct ice_fltr_list_entry *em_list_itr;
3696 if (!em_list || !hw)
3699 list_for_each_entry(em_list_itr, em_list, list_entry) {
3700 enum ice_sw_lkup_type l_type =
3701 em_list_itr->fltr_info.lkup_type;
3703 if (l_type != ICE_SW_LKUP_ETHERTYPE_MAC &&
3704 l_type != ICE_SW_LKUP_ETHERTYPE)
3707 em_list_itr->status = ice_add_rule_internal(hw, l_type,
3709 if (em_list_itr->status)
3710 return em_list_itr->status;
3716 * ice_remove_eth_mac - Remove an ethertype (or MAC) based filter rule
3717 * @hw: pointer to the hardware structure
3718 * @em_list: list of ethertype or ethertype MAC entries
3720 int ice_remove_eth_mac(struct ice_hw *hw, struct list_head *em_list)
3722 struct ice_fltr_list_entry *em_list_itr, *tmp;
3724 if (!em_list || !hw)
3727 list_for_each_entry_safe(em_list_itr, tmp, em_list, list_entry) {
3728 enum ice_sw_lkup_type l_type =
3729 em_list_itr->fltr_info.lkup_type;
3731 if (l_type != ICE_SW_LKUP_ETHERTYPE_MAC &&
3732 l_type != ICE_SW_LKUP_ETHERTYPE)
3735 em_list_itr->status = ice_remove_rule_internal(hw, l_type,
3737 if (em_list_itr->status)
3738 return em_list_itr->status;
3744 * ice_rem_sw_rule_info
3745 * @hw: pointer to the hardware structure
3746 * @rule_head: pointer to the switch list structure that we want to delete
3749 ice_rem_sw_rule_info(struct ice_hw *hw, struct list_head *rule_head)
3751 if (!list_empty(rule_head)) {
3752 struct ice_fltr_mgmt_list_entry *entry;
3753 struct ice_fltr_mgmt_list_entry *tmp;
3755 list_for_each_entry_safe(entry, tmp, rule_head, list_entry) {
3756 list_del(&entry->list_entry);
3757 devm_kfree(ice_hw_to_dev(hw), entry);
3763 * ice_rem_adv_rule_info
3764 * @hw: pointer to the hardware structure
3765 * @rule_head: pointer to the switch list structure that we want to delete
3768 ice_rem_adv_rule_info(struct ice_hw *hw, struct list_head *rule_head)
3770 struct ice_adv_fltr_mgmt_list_entry *tmp_entry;
3771 struct ice_adv_fltr_mgmt_list_entry *lst_itr;
3773 if (list_empty(rule_head))
3776 list_for_each_entry_safe(lst_itr, tmp_entry, rule_head, list_entry) {
3777 list_del(&lst_itr->list_entry);
3778 devm_kfree(ice_hw_to_dev(hw), lst_itr->lkups);
3779 devm_kfree(ice_hw_to_dev(hw), lst_itr);
3784 * ice_cfg_dflt_vsi - change state of VSI to set/clear default
3785 * @pi: pointer to the port_info structure
3786 * @vsi_handle: VSI handle to set as default
3787 * @set: true to add the above mentioned switch rule, false to remove it
3788 * @direction: ICE_FLTR_RX or ICE_FLTR_TX
3790 * add filter rule to set/unset given VSI as default VSI for the switch
3791 * (represented by swid)
3794 ice_cfg_dflt_vsi(struct ice_port_info *pi, u16 vsi_handle, bool set,
3797 struct ice_fltr_list_entry f_list_entry;
3798 struct ice_fltr_info f_info;
3799 struct ice_hw *hw = pi->hw;
3803 if (!ice_is_vsi_valid(hw, vsi_handle))
3806 hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle);
3808 memset(&f_info, 0, sizeof(f_info));
3810 f_info.lkup_type = ICE_SW_LKUP_DFLT;
3811 f_info.flag = direction;
3812 f_info.fltr_act = ICE_FWD_TO_VSI;
3813 f_info.fwd_id.hw_vsi_id = hw_vsi_id;
3814 f_info.vsi_handle = vsi_handle;
3816 if (f_info.flag & ICE_FLTR_RX) {
3817 f_info.src = hw->port_info->lport;
3818 f_info.src_id = ICE_SRC_ID_LPORT;
3819 } else if (f_info.flag & ICE_FLTR_TX) {
3820 f_info.src_id = ICE_SRC_ID_VSI;
3821 f_info.src = hw_vsi_id;
3823 f_list_entry.fltr_info = f_info;
3826 status = ice_add_rule_internal(hw, ICE_SW_LKUP_DFLT,
3829 status = ice_remove_rule_internal(hw, ICE_SW_LKUP_DFLT,
3836 * ice_vsi_uses_fltr - Determine if given VSI uses specified filter
3837 * @fm_entry: filter entry to inspect
3838 * @vsi_handle: VSI handle to compare with filter info
3841 ice_vsi_uses_fltr(struct ice_fltr_mgmt_list_entry *fm_entry, u16 vsi_handle)
3843 return ((fm_entry->fltr_info.fltr_act == ICE_FWD_TO_VSI &&
3844 fm_entry->fltr_info.vsi_handle == vsi_handle) ||
3845 (fm_entry->fltr_info.fltr_act == ICE_FWD_TO_VSI_LIST &&
3846 fm_entry->vsi_list_info &&
3847 (test_bit(vsi_handle, fm_entry->vsi_list_info->vsi_map))));
3851 * ice_check_if_dflt_vsi - check if VSI is default VSI
3852 * @pi: pointer to the port_info structure
3853 * @vsi_handle: vsi handle to check for in filter list
3854 * @rule_exists: indicates if there are any VSI's in the rule list
3856 * checks if the VSI is in a default VSI list, and also indicates
3857 * if the default VSI list is empty
3860 ice_check_if_dflt_vsi(struct ice_port_info *pi, u16 vsi_handle,
3863 struct ice_fltr_mgmt_list_entry *fm_entry;
3864 struct ice_sw_recipe *recp_list;
3865 struct list_head *rule_head;
3866 struct mutex *rule_lock; /* Lock to protect filter rule list */
3869 recp_list = &pi->hw->switch_info->recp_list[ICE_SW_LKUP_DFLT];
3870 rule_lock = &recp_list->filt_rule_lock;
3871 rule_head = &recp_list->filt_rules;
3873 mutex_lock(rule_lock);
3875 if (rule_exists && !list_empty(rule_head))
3876 *rule_exists = true;
3878 list_for_each_entry(fm_entry, rule_head, list_entry) {
3879 if (ice_vsi_uses_fltr(fm_entry, vsi_handle)) {
3885 mutex_unlock(rule_lock);
3891 * ice_remove_mac - remove a MAC address based filter rule
3892 * @hw: pointer to the hardware structure
3893 * @m_list: list of MAC addresses and forwarding information
3895 * This function removes either a MAC filter rule or a specific VSI from a
3896 * VSI list for a multicast MAC address.
3898 * Returns -ENOENT if a given entry was not added by ice_add_mac. Caller should
3899 * be aware that this call will only work if all the entries passed into m_list
3900 * were added previously. It will not attempt to do a partial remove of entries
3903 int ice_remove_mac(struct ice_hw *hw, struct list_head *m_list)
3905 struct ice_fltr_list_entry *list_itr, *tmp;
3910 list_for_each_entry_safe(list_itr, tmp, m_list, list_entry) {
3911 enum ice_sw_lkup_type l_type = list_itr->fltr_info.lkup_type;
3914 if (l_type != ICE_SW_LKUP_MAC)
3917 vsi_handle = list_itr->fltr_info.vsi_handle;
3918 if (!ice_is_vsi_valid(hw, vsi_handle))
3921 list_itr->fltr_info.fwd_id.hw_vsi_id =
3922 ice_get_hw_vsi_num(hw, vsi_handle);
3924 list_itr->status = ice_remove_rule_internal(hw,
3927 if (list_itr->status)
3928 return list_itr->status;
3934 * ice_remove_vlan - Remove VLAN based filter rule
3935 * @hw: pointer to the hardware structure
3936 * @v_list: list of VLAN entries and forwarding information
3938 int ice_remove_vlan(struct ice_hw *hw, struct list_head *v_list)
3940 struct ice_fltr_list_entry *v_list_itr, *tmp;
3945 list_for_each_entry_safe(v_list_itr, tmp, v_list, list_entry) {
3946 enum ice_sw_lkup_type l_type = v_list_itr->fltr_info.lkup_type;
3948 if (l_type != ICE_SW_LKUP_VLAN)
3950 v_list_itr->status = ice_remove_rule_internal(hw,
3953 if (v_list_itr->status)
3954 return v_list_itr->status;
3960 * ice_add_entry_to_vsi_fltr_list - Add copy of fltr_list_entry to remove list
3961 * @hw: pointer to the hardware structure
3962 * @vsi_handle: VSI handle to remove filters from
3963 * @vsi_list_head: pointer to the list to add entry to
3964 * @fi: pointer to fltr_info of filter entry to copy & add
3966 * Helper function, used when creating a list of filters to remove from
3967 * a specific VSI. The entry added to vsi_list_head is a COPY of the
3968 * original filter entry, with the exception of fltr_info.fltr_act and
3969 * fltr_info.fwd_id fields. These are set such that later logic can
3970 * extract which VSI to remove the fltr from, and pass on that information.
3973 ice_add_entry_to_vsi_fltr_list(struct ice_hw *hw, u16 vsi_handle,
3974 struct list_head *vsi_list_head,
3975 struct ice_fltr_info *fi)
3977 struct ice_fltr_list_entry *tmp;
3979 /* this memory is freed up in the caller function
3980 * once filters for this VSI are removed
3982 tmp = devm_kzalloc(ice_hw_to_dev(hw), sizeof(*tmp), GFP_KERNEL);
3986 tmp->fltr_info = *fi;
3988 /* Overwrite these fields to indicate which VSI to remove filter from,
3989 * so find and remove logic can extract the information from the
3990 * list entries. Note that original entries will still have proper
3993 tmp->fltr_info.fltr_act = ICE_FWD_TO_VSI;
3994 tmp->fltr_info.vsi_handle = vsi_handle;
3995 tmp->fltr_info.fwd_id.hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle);
3997 list_add(&tmp->list_entry, vsi_list_head);
4003 * ice_add_to_vsi_fltr_list - Add VSI filters to the list
4004 * @hw: pointer to the hardware structure
4005 * @vsi_handle: VSI handle to remove filters from
4006 * @lkup_list_head: pointer to the list that has certain lookup type filters
4007 * @vsi_list_head: pointer to the list pertaining to VSI with vsi_handle
4009 * Locates all filters in lkup_list_head that are used by the given VSI,
4010 * and adds COPIES of those entries to vsi_list_head (intended to be used
4011 * to remove the listed filters).
4012 * Note that this means all entries in vsi_list_head must be explicitly
4013 * deallocated by the caller when done with list.
4016 ice_add_to_vsi_fltr_list(struct ice_hw *hw, u16 vsi_handle,
4017 struct list_head *lkup_list_head,
4018 struct list_head *vsi_list_head)
4020 struct ice_fltr_mgmt_list_entry *fm_entry;
4023 /* check to make sure VSI ID is valid and within boundary */
4024 if (!ice_is_vsi_valid(hw, vsi_handle))
4027 list_for_each_entry(fm_entry, lkup_list_head, list_entry) {
4028 if (!ice_vsi_uses_fltr(fm_entry, vsi_handle))
4031 status = ice_add_entry_to_vsi_fltr_list(hw, vsi_handle,
4033 &fm_entry->fltr_info);
4041 * ice_determine_promisc_mask
4042 * @fi: filter info to parse
4044 * Helper function to determine which ICE_PROMISC_ mask corresponds
4045 * to given filter into.
4047 static u8 ice_determine_promisc_mask(struct ice_fltr_info *fi)
4049 u16 vid = fi->l_data.mac_vlan.vlan_id;
4050 u8 *macaddr = fi->l_data.mac.mac_addr;
4051 bool is_tx_fltr = false;
4052 u8 promisc_mask = 0;
4054 if (fi->flag == ICE_FLTR_TX)
4057 if (is_broadcast_ether_addr(macaddr))
4058 promisc_mask |= is_tx_fltr ?
4059 ICE_PROMISC_BCAST_TX : ICE_PROMISC_BCAST_RX;
4060 else if (is_multicast_ether_addr(macaddr))
4061 promisc_mask |= is_tx_fltr ?
4062 ICE_PROMISC_MCAST_TX : ICE_PROMISC_MCAST_RX;
4063 else if (is_unicast_ether_addr(macaddr))
4064 promisc_mask |= is_tx_fltr ?
4065 ICE_PROMISC_UCAST_TX : ICE_PROMISC_UCAST_RX;
4067 promisc_mask |= is_tx_fltr ?
4068 ICE_PROMISC_VLAN_TX : ICE_PROMISC_VLAN_RX;
4070 return promisc_mask;
4074 * ice_remove_promisc - Remove promisc based filter rules
4075 * @hw: pointer to the hardware structure
4076 * @recp_id: recipe ID for which the rule needs to removed
4077 * @v_list: list of promisc entries
4080 ice_remove_promisc(struct ice_hw *hw, u8 recp_id, struct list_head *v_list)
4082 struct ice_fltr_list_entry *v_list_itr, *tmp;
4084 list_for_each_entry_safe(v_list_itr, tmp, v_list, list_entry) {
4085 v_list_itr->status =
4086 ice_remove_rule_internal(hw, recp_id, v_list_itr);
4087 if (v_list_itr->status)
4088 return v_list_itr->status;
4094 * ice_clear_vsi_promisc - clear specified promiscuous mode(s) for given VSI
4095 * @hw: pointer to the hardware structure
4096 * @vsi_handle: VSI handle to clear mode
4097 * @promisc_mask: mask of promiscuous config bits to clear
4098 * @vid: VLAN ID to clear VLAN promiscuous
4101 ice_clear_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask,
4104 struct ice_switch_info *sw = hw->switch_info;
4105 struct ice_fltr_list_entry *fm_entry, *tmp;
4106 struct list_head remove_list_head;
4107 struct ice_fltr_mgmt_list_entry *itr;
4108 struct list_head *rule_head;
4109 struct mutex *rule_lock; /* Lock to protect filter rule list */
4113 if (!ice_is_vsi_valid(hw, vsi_handle))
4116 if (promisc_mask & (ICE_PROMISC_VLAN_RX | ICE_PROMISC_VLAN_TX))
4117 recipe_id = ICE_SW_LKUP_PROMISC_VLAN;
4119 recipe_id = ICE_SW_LKUP_PROMISC;
4121 rule_head = &sw->recp_list[recipe_id].filt_rules;
4122 rule_lock = &sw->recp_list[recipe_id].filt_rule_lock;
4124 INIT_LIST_HEAD(&remove_list_head);
4126 mutex_lock(rule_lock);
4127 list_for_each_entry(itr, rule_head, list_entry) {
4128 struct ice_fltr_info *fltr_info;
4129 u8 fltr_promisc_mask = 0;
4131 if (!ice_vsi_uses_fltr(itr, vsi_handle))
4133 fltr_info = &itr->fltr_info;
4135 if (recipe_id == ICE_SW_LKUP_PROMISC_VLAN &&
4136 vid != fltr_info->l_data.mac_vlan.vlan_id)
4139 fltr_promisc_mask |= ice_determine_promisc_mask(fltr_info);
4141 /* Skip if filter is not completely specified by given mask */
4142 if (fltr_promisc_mask & ~promisc_mask)
4145 status = ice_add_entry_to_vsi_fltr_list(hw, vsi_handle,
4149 mutex_unlock(rule_lock);
4150 goto free_fltr_list;
4153 mutex_unlock(rule_lock);
4155 status = ice_remove_promisc(hw, recipe_id, &remove_list_head);
4158 list_for_each_entry_safe(fm_entry, tmp, &remove_list_head, list_entry) {
4159 list_del(&fm_entry->list_entry);
4160 devm_kfree(ice_hw_to_dev(hw), fm_entry);
4167 * ice_set_vsi_promisc - set given VSI to given promiscuous mode(s)
4168 * @hw: pointer to the hardware structure
4169 * @vsi_handle: VSI handle to configure
4170 * @promisc_mask: mask of promiscuous config bits
4171 * @vid: VLAN ID to set VLAN promiscuous
4174 ice_set_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask, u16 vid)
4176 enum { UCAST_FLTR = 1, MCAST_FLTR, BCAST_FLTR };
4177 struct ice_fltr_list_entry f_list_entry;
4178 struct ice_fltr_info new_fltr;
4185 if (!ice_is_vsi_valid(hw, vsi_handle))
4187 hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle);
4189 memset(&new_fltr, 0, sizeof(new_fltr));
4191 if (promisc_mask & (ICE_PROMISC_VLAN_RX | ICE_PROMISC_VLAN_TX)) {
4192 new_fltr.lkup_type = ICE_SW_LKUP_PROMISC_VLAN;
4193 new_fltr.l_data.mac_vlan.vlan_id = vid;
4194 recipe_id = ICE_SW_LKUP_PROMISC_VLAN;
4196 new_fltr.lkup_type = ICE_SW_LKUP_PROMISC;
4197 recipe_id = ICE_SW_LKUP_PROMISC;
4200 /* Separate filters must be set for each direction/packet type
4201 * combination, so we will loop over the mask value, store the
4202 * individual type, and clear it out in the input mask as it
4205 while (promisc_mask) {
4211 if (promisc_mask & ICE_PROMISC_UCAST_RX) {
4212 promisc_mask &= ~ICE_PROMISC_UCAST_RX;
4213 pkt_type = UCAST_FLTR;
4214 } else if (promisc_mask & ICE_PROMISC_UCAST_TX) {
4215 promisc_mask &= ~ICE_PROMISC_UCAST_TX;
4216 pkt_type = UCAST_FLTR;
4218 } else if (promisc_mask & ICE_PROMISC_MCAST_RX) {
4219 promisc_mask &= ~ICE_PROMISC_MCAST_RX;
4220 pkt_type = MCAST_FLTR;
4221 } else if (promisc_mask & ICE_PROMISC_MCAST_TX) {
4222 promisc_mask &= ~ICE_PROMISC_MCAST_TX;
4223 pkt_type = MCAST_FLTR;
4225 } else if (promisc_mask & ICE_PROMISC_BCAST_RX) {
4226 promisc_mask &= ~ICE_PROMISC_BCAST_RX;
4227 pkt_type = BCAST_FLTR;
4228 } else if (promisc_mask & ICE_PROMISC_BCAST_TX) {
4229 promisc_mask &= ~ICE_PROMISC_BCAST_TX;
4230 pkt_type = BCAST_FLTR;
4234 /* Check for VLAN promiscuous flag */
4235 if (promisc_mask & ICE_PROMISC_VLAN_RX) {
4236 promisc_mask &= ~ICE_PROMISC_VLAN_RX;
4237 } else if (promisc_mask & ICE_PROMISC_VLAN_TX) {
4238 promisc_mask &= ~ICE_PROMISC_VLAN_TX;
4242 /* Set filter DA based on packet type */
4243 mac_addr = new_fltr.l_data.mac.mac_addr;
4244 if (pkt_type == BCAST_FLTR) {
4245 eth_broadcast_addr(mac_addr);
4246 } else if (pkt_type == MCAST_FLTR ||
4247 pkt_type == UCAST_FLTR) {
4248 /* Use the dummy ether header DA */
4249 ether_addr_copy(mac_addr, dummy_eth_header);
4250 if (pkt_type == MCAST_FLTR)
4251 mac_addr[0] |= 0x1; /* Set multicast bit */
4254 /* Need to reset this to zero for all iterations */
4257 new_fltr.flag |= ICE_FLTR_TX;
4258 new_fltr.src = hw_vsi_id;
4260 new_fltr.flag |= ICE_FLTR_RX;
4261 new_fltr.src = hw->port_info->lport;
4264 new_fltr.fltr_act = ICE_FWD_TO_VSI;
4265 new_fltr.vsi_handle = vsi_handle;
4266 new_fltr.fwd_id.hw_vsi_id = hw_vsi_id;
4267 f_list_entry.fltr_info = new_fltr;
4269 status = ice_add_rule_internal(hw, recipe_id, &f_list_entry);
4271 goto set_promisc_exit;
4279 * ice_set_vlan_vsi_promisc
4280 * @hw: pointer to the hardware structure
4281 * @vsi_handle: VSI handle to configure
4282 * @promisc_mask: mask of promiscuous config bits
4283 * @rm_vlan_promisc: Clear VLANs VSI promisc mode
4285 * Configure VSI with all associated VLANs to given promiscuous mode(s)
4288 ice_set_vlan_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask,
4289 bool rm_vlan_promisc)
4291 struct ice_switch_info *sw = hw->switch_info;
4292 struct ice_fltr_list_entry *list_itr, *tmp;
4293 struct list_head vsi_list_head;
4294 struct list_head *vlan_head;
4295 struct mutex *vlan_lock; /* Lock to protect filter rule list */
4299 INIT_LIST_HEAD(&vsi_list_head);
4300 vlan_lock = &sw->recp_list[ICE_SW_LKUP_VLAN].filt_rule_lock;
4301 vlan_head = &sw->recp_list[ICE_SW_LKUP_VLAN].filt_rules;
4302 mutex_lock(vlan_lock);
4303 status = ice_add_to_vsi_fltr_list(hw, vsi_handle, vlan_head,
4305 mutex_unlock(vlan_lock);
4307 goto free_fltr_list;
4309 list_for_each_entry(list_itr, &vsi_list_head, list_entry) {
4310 /* Avoid enabling or disabling VLAN zero twice when in double
4313 if (ice_is_dvm_ena(hw) &&
4314 list_itr->fltr_info.l_data.vlan.tpid == 0)
4317 vlan_id = list_itr->fltr_info.l_data.vlan.vlan_id;
4318 if (rm_vlan_promisc)
4319 status = ice_clear_vsi_promisc(hw, vsi_handle,
4320 promisc_mask, vlan_id);
4322 status = ice_set_vsi_promisc(hw, vsi_handle,
4323 promisc_mask, vlan_id);
4324 if (status && status != -EEXIST)
4329 list_for_each_entry_safe(list_itr, tmp, &vsi_list_head, list_entry) {
4330 list_del(&list_itr->list_entry);
4331 devm_kfree(ice_hw_to_dev(hw), list_itr);
4337 * ice_remove_vsi_lkup_fltr - Remove lookup type filters for a VSI
4338 * @hw: pointer to the hardware structure
4339 * @vsi_handle: VSI handle to remove filters from
4340 * @lkup: switch rule filter lookup type
4343 ice_remove_vsi_lkup_fltr(struct ice_hw *hw, u16 vsi_handle,
4344 enum ice_sw_lkup_type lkup)
4346 struct ice_switch_info *sw = hw->switch_info;
4347 struct ice_fltr_list_entry *fm_entry;
4348 struct list_head remove_list_head;
4349 struct list_head *rule_head;
4350 struct ice_fltr_list_entry *tmp;
4351 struct mutex *rule_lock; /* Lock to protect filter rule list */
4354 INIT_LIST_HEAD(&remove_list_head);
4355 rule_lock = &sw->recp_list[lkup].filt_rule_lock;
4356 rule_head = &sw->recp_list[lkup].filt_rules;
4357 mutex_lock(rule_lock);
4358 status = ice_add_to_vsi_fltr_list(hw, vsi_handle, rule_head,
4360 mutex_unlock(rule_lock);
4362 goto free_fltr_list;
4365 case ICE_SW_LKUP_MAC:
4366 ice_remove_mac(hw, &remove_list_head);
4368 case ICE_SW_LKUP_VLAN:
4369 ice_remove_vlan(hw, &remove_list_head);
4371 case ICE_SW_LKUP_PROMISC:
4372 case ICE_SW_LKUP_PROMISC_VLAN:
4373 ice_remove_promisc(hw, lkup, &remove_list_head);
4375 case ICE_SW_LKUP_MAC_VLAN:
4376 case ICE_SW_LKUP_ETHERTYPE:
4377 case ICE_SW_LKUP_ETHERTYPE_MAC:
4378 case ICE_SW_LKUP_DFLT:
4379 case ICE_SW_LKUP_LAST:
4381 ice_debug(hw, ICE_DBG_SW, "Unsupported lookup type %d\n", lkup);
4386 list_for_each_entry_safe(fm_entry, tmp, &remove_list_head, list_entry) {
4387 list_del(&fm_entry->list_entry);
4388 devm_kfree(ice_hw_to_dev(hw), fm_entry);
4393 * ice_remove_vsi_fltr - Remove all filters for a VSI
4394 * @hw: pointer to the hardware structure
4395 * @vsi_handle: VSI handle to remove filters from
4397 void ice_remove_vsi_fltr(struct ice_hw *hw, u16 vsi_handle)
4399 ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_MAC);
4400 ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_MAC_VLAN);
4401 ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_PROMISC);
4402 ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_VLAN);
4403 ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_DFLT);
4404 ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_ETHERTYPE);
4405 ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_ETHERTYPE_MAC);
4406 ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_PROMISC_VLAN);
4410 * ice_alloc_res_cntr - allocating resource counter
4411 * @hw: pointer to the hardware structure
4412 * @type: type of resource
4413 * @alloc_shared: if set it is shared else dedicated
4414 * @num_items: number of entries requested for FD resource type
4415 * @counter_id: counter index returned by AQ call
4418 ice_alloc_res_cntr(struct ice_hw *hw, u8 type, u8 alloc_shared, u16 num_items,
4421 DEFINE_FLEX(struct ice_aqc_alloc_free_res_elem, buf, elem, 1);
4422 u16 buf_len = __struct_size(buf);
4425 buf->num_elems = cpu_to_le16(num_items);
4426 buf->res_type = cpu_to_le16(FIELD_PREP(ICE_AQC_RES_TYPE_M, type) |
4429 status = ice_aq_alloc_free_res(hw, buf, buf_len, ice_aqc_opc_alloc_res);
4433 *counter_id = le16_to_cpu(buf->elem[0].e.sw_resp);
4438 * ice_free_res_cntr - free resource counter
4439 * @hw: pointer to the hardware structure
4440 * @type: type of resource
4441 * @alloc_shared: if set it is shared else dedicated
4442 * @num_items: number of entries to be freed for FD resource type
4443 * @counter_id: counter ID resource which needs to be freed
4446 ice_free_res_cntr(struct ice_hw *hw, u8 type, u8 alloc_shared, u16 num_items,
4449 DEFINE_FLEX(struct ice_aqc_alloc_free_res_elem, buf, elem, 1);
4450 u16 buf_len = __struct_size(buf);
4453 buf->num_elems = cpu_to_le16(num_items);
4454 buf->res_type = cpu_to_le16(FIELD_PREP(ICE_AQC_RES_TYPE_M, type) |
4456 buf->elem[0].e.sw_resp = cpu_to_le16(counter_id);
4458 status = ice_aq_alloc_free_res(hw, buf, buf_len, ice_aqc_opc_free_res);
4460 ice_debug(hw, ICE_DBG_SW, "counter resource could not be freed\n");
4465 #define ICE_PROTOCOL_ENTRY(id, ...) { \
4467 .offs = {__VA_ARGS__}, \
4471 * ice_share_res - set a resource as shared or dedicated
4472 * @hw: hw struct of original owner of resource
4473 * @type: resource type
4474 * @shared: is the resource being set to shared
4475 * @res_id: resource id (descriptor)
4477 int ice_share_res(struct ice_hw *hw, u16 type, u8 shared, u16 res_id)
4479 DEFINE_FLEX(struct ice_aqc_alloc_free_res_elem, buf, elem, 1);
4480 u16 buf_len = __struct_size(buf);
4484 buf->num_elems = cpu_to_le16(1);
4485 res_type = FIELD_PREP(ICE_AQC_RES_TYPE_M, type);
4487 res_type |= ICE_AQC_RES_TYPE_FLAG_SHARED;
4489 buf->res_type = cpu_to_le16(res_type);
4490 buf->elem[0].e.sw_resp = cpu_to_le16(res_id);
4491 status = ice_aq_alloc_free_res(hw, buf, buf_len,
4492 ice_aqc_opc_share_res);
4494 ice_debug(hw, ICE_DBG_SW, "Could not set resource type %u id %u to %s\n",
4495 type, res_id, shared ? "SHARED" : "DEDICATED");
4500 /* This is mapping table entry that maps every word within a given protocol
4501 * structure to the real byte offset as per the specification of that
4503 * for example dst address is 3 words in ethertype header and corresponding
4504 * bytes are 0, 2, 3 in the actual packet header and src address is at 4, 6, 8
4505 * IMPORTANT: Every structure part of "ice_prot_hdr" union should have a
4506 * matching entry describing its field. This needs to be updated if new
4507 * structure is added to that union.
4509 static const struct ice_prot_ext_tbl_entry ice_prot_ext[ICE_PROTOCOL_LAST] = {
4510 ICE_PROTOCOL_ENTRY(ICE_MAC_OFOS, 0, 2, 4, 6, 8, 10, 12),
4511 ICE_PROTOCOL_ENTRY(ICE_MAC_IL, 0, 2, 4, 6, 8, 10, 12),
4512 ICE_PROTOCOL_ENTRY(ICE_ETYPE_OL, 0),
4513 ICE_PROTOCOL_ENTRY(ICE_ETYPE_IL, 0),
4514 ICE_PROTOCOL_ENTRY(ICE_VLAN_OFOS, 2, 0),
4515 ICE_PROTOCOL_ENTRY(ICE_IPV4_OFOS, 0, 2, 4, 6, 8, 10, 12, 14, 16, 18),
4516 ICE_PROTOCOL_ENTRY(ICE_IPV4_IL, 0, 2, 4, 6, 8, 10, 12, 14, 16, 18),
4517 ICE_PROTOCOL_ENTRY(ICE_IPV6_OFOS, 0, 2, 4, 6, 8, 10, 12, 14, 16, 18,
4518 20, 22, 24, 26, 28, 30, 32, 34, 36, 38),
4519 ICE_PROTOCOL_ENTRY(ICE_IPV6_IL, 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20,
4520 22, 24, 26, 28, 30, 32, 34, 36, 38),
4521 ICE_PROTOCOL_ENTRY(ICE_TCP_IL, 0, 2),
4522 ICE_PROTOCOL_ENTRY(ICE_UDP_OF, 0, 2),
4523 ICE_PROTOCOL_ENTRY(ICE_UDP_ILOS, 0, 2),
4524 ICE_PROTOCOL_ENTRY(ICE_VXLAN, 8, 10, 12, 14),
4525 ICE_PROTOCOL_ENTRY(ICE_GENEVE, 8, 10, 12, 14),
4526 ICE_PROTOCOL_ENTRY(ICE_NVGRE, 0, 2, 4, 6),
4527 ICE_PROTOCOL_ENTRY(ICE_GTP, 8, 10, 12, 14, 16, 18, 20, 22),
4528 ICE_PROTOCOL_ENTRY(ICE_GTP_NO_PAY, 8, 10, 12, 14),
4529 ICE_PROTOCOL_ENTRY(ICE_PPPOE, 0, 2, 4, 6),
4530 ICE_PROTOCOL_ENTRY(ICE_L2TPV3, 0, 2, 4, 6, 8, 10),
4531 ICE_PROTOCOL_ENTRY(ICE_VLAN_EX, 2, 0),
4532 ICE_PROTOCOL_ENTRY(ICE_VLAN_IN, 2, 0),
4533 ICE_PROTOCOL_ENTRY(ICE_HW_METADATA,
4534 ICE_SOURCE_PORT_MDID_OFFSET,
4535 ICE_PTYPE_MDID_OFFSET,
4536 ICE_PACKET_LENGTH_MDID_OFFSET,
4537 ICE_SOURCE_VSI_MDID_OFFSET,
4538 ICE_PKT_VLAN_MDID_OFFSET,
4539 ICE_PKT_TUNNEL_MDID_OFFSET,
4540 ICE_PKT_TCP_MDID_OFFSET,
4541 ICE_PKT_ERROR_MDID_OFFSET),
4544 static struct ice_protocol_entry ice_prot_id_tbl[ICE_PROTOCOL_LAST] = {
4545 { ICE_MAC_OFOS, ICE_MAC_OFOS_HW },
4546 { ICE_MAC_IL, ICE_MAC_IL_HW },
4547 { ICE_ETYPE_OL, ICE_ETYPE_OL_HW },
4548 { ICE_ETYPE_IL, ICE_ETYPE_IL_HW },
4549 { ICE_VLAN_OFOS, ICE_VLAN_OL_HW },
4550 { ICE_IPV4_OFOS, ICE_IPV4_OFOS_HW },
4551 { ICE_IPV4_IL, ICE_IPV4_IL_HW },
4552 { ICE_IPV6_OFOS, ICE_IPV6_OFOS_HW },
4553 { ICE_IPV6_IL, ICE_IPV6_IL_HW },
4554 { ICE_TCP_IL, ICE_TCP_IL_HW },
4555 { ICE_UDP_OF, ICE_UDP_OF_HW },
4556 { ICE_UDP_ILOS, ICE_UDP_ILOS_HW },
4557 { ICE_VXLAN, ICE_UDP_OF_HW },
4558 { ICE_GENEVE, ICE_UDP_OF_HW },
4559 { ICE_NVGRE, ICE_GRE_OF_HW },
4560 { ICE_GTP, ICE_UDP_OF_HW },
4561 { ICE_GTP_NO_PAY, ICE_UDP_ILOS_HW },
4562 { ICE_PPPOE, ICE_PPPOE_HW },
4563 { ICE_L2TPV3, ICE_L2TPV3_HW },
4564 { ICE_VLAN_EX, ICE_VLAN_OF_HW },
4565 { ICE_VLAN_IN, ICE_VLAN_OL_HW },
4566 { ICE_HW_METADATA, ICE_META_DATA_ID_HW },
4570 * ice_find_recp - find a recipe
4571 * @hw: pointer to the hardware structure
4572 * @lkup_exts: extension sequence to match
4573 * @rinfo: information regarding the rule e.g. priority and action info
4575 * Returns index of matching recipe, or ICE_MAX_NUM_RECIPES if not found.
4578 ice_find_recp(struct ice_hw *hw, struct ice_prot_lkup_ext *lkup_exts,
4579 const struct ice_adv_rule_info *rinfo)
4581 bool refresh_required = true;
4582 struct ice_sw_recipe *recp;
4585 /* Walk through existing recipes to find a match */
4586 recp = hw->switch_info->recp_list;
4587 for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) {
4588 /* If recipe was not created for this ID, in SW bookkeeping,
4589 * check if FW has an entry for this recipe. If the FW has an
4590 * entry update it in our SW bookkeeping and continue with the
4593 if (!recp[i].recp_created)
4594 if (ice_get_recp_frm_fw(hw,
4595 hw->switch_info->recp_list, i,
4599 /* Skip inverse action recipes */
4600 if (recp[i].root_buf && recp[i].root_buf->content.act_ctrl &
4601 ICE_AQ_RECIPE_ACT_INV_ACT)
4604 /* if number of words we are looking for match */
4605 if (lkup_exts->n_val_words == recp[i].lkup_exts.n_val_words) {
4606 struct ice_fv_word *ar = recp[i].lkup_exts.fv_words;
4607 struct ice_fv_word *be = lkup_exts->fv_words;
4608 u16 *cr = recp[i].lkup_exts.field_mask;
4609 u16 *de = lkup_exts->field_mask;
4613 /* ar, cr, and qr are related to the recipe words, while
4614 * be, de, and pe are related to the lookup words
4616 for (pe = 0; pe < lkup_exts->n_val_words; pe++) {
4617 for (qr = 0; qr < recp[i].lkup_exts.n_val_words;
4619 if (ar[qr].off == be[pe].off &&
4620 ar[qr].prot_id == be[pe].prot_id &&
4622 /* Found the "pe"th word in the
4627 /* After walking through all the words in the
4628 * "i"th recipe if "p"th word was not found then
4629 * this recipe is not what we are looking for.
4630 * So break out from this loop and try the next
4633 if (qr >= recp[i].lkup_exts.n_val_words) {
4638 /* If for "i"th recipe the found was never set to false
4639 * then it means we found our match
4640 * Also tun type and *_pass_l2 of recipe needs to be
4643 if (found && recp[i].tun_type == rinfo->tun_type &&
4644 recp[i].need_pass_l2 == rinfo->need_pass_l2 &&
4645 recp[i].allow_pass_l2 == rinfo->allow_pass_l2)
4646 return i; /* Return the recipe ID */
4649 return ICE_MAX_NUM_RECIPES;
4653 * ice_change_proto_id_to_dvm - change proto id in prot_id_tbl
4655 * As protocol id for outer vlan is different in dvm and svm, if dvm is
4656 * supported protocol array record for outer vlan has to be modified to
4657 * reflect the value proper for DVM.
4659 void ice_change_proto_id_to_dvm(void)
4663 for (i = 0; i < ARRAY_SIZE(ice_prot_id_tbl); i++)
4664 if (ice_prot_id_tbl[i].type == ICE_VLAN_OFOS &&
4665 ice_prot_id_tbl[i].protocol_id != ICE_VLAN_OF_HW)
4666 ice_prot_id_tbl[i].protocol_id = ICE_VLAN_OF_HW;
4670 * ice_prot_type_to_id - get protocol ID from protocol type
4671 * @type: protocol type
4672 * @id: pointer to variable that will receive the ID
4674 * Returns true if found, false otherwise
4676 static bool ice_prot_type_to_id(enum ice_protocol_type type, u8 *id)
4680 for (i = 0; i < ARRAY_SIZE(ice_prot_id_tbl); i++)
4681 if (ice_prot_id_tbl[i].type == type) {
4682 *id = ice_prot_id_tbl[i].protocol_id;
4689 * ice_fill_valid_words - count valid words
4690 * @rule: advanced rule with lookup information
4691 * @lkup_exts: byte offset extractions of the words that are valid
4693 * calculate valid words in a lookup rule using mask value
4696 ice_fill_valid_words(struct ice_adv_lkup_elem *rule,
4697 struct ice_prot_lkup_ext *lkup_exts)
4699 u8 j, word, prot_id, ret_val;
4701 if (!ice_prot_type_to_id(rule->type, &prot_id))
4704 word = lkup_exts->n_val_words;
4706 for (j = 0; j < sizeof(rule->m_u) / sizeof(u16); j++)
4707 if (((u16 *)&rule->m_u)[j] &&
4708 rule->type < ARRAY_SIZE(ice_prot_ext)) {
4709 /* No more space to accommodate */
4710 if (word >= ICE_MAX_CHAIN_WORDS)
4712 lkup_exts->fv_words[word].off =
4713 ice_prot_ext[rule->type].offs[j];
4714 lkup_exts->fv_words[word].prot_id =
4715 ice_prot_id_tbl[rule->type].protocol_id;
4716 lkup_exts->field_mask[word] =
4717 be16_to_cpu(((__force __be16 *)&rule->m_u)[j]);
4721 ret_val = word - lkup_exts->n_val_words;
4722 lkup_exts->n_val_words = word;
4728 * ice_create_first_fit_recp_def - Create a recipe grouping
4729 * @hw: pointer to the hardware structure
4730 * @lkup_exts: an array of protocol header extractions
4731 * @rg_list: pointer to a list that stores new recipe groups
4732 * @recp_cnt: pointer to a variable that stores returned number of recipe groups
4734 * Using first fit algorithm, take all the words that are still not done
4735 * and start grouping them in 4-word groups. Each group makes up one
4739 ice_create_first_fit_recp_def(struct ice_hw *hw,
4740 struct ice_prot_lkup_ext *lkup_exts,
4741 struct list_head *rg_list,
4744 struct ice_pref_recipe_group *grp = NULL;
4749 /* Walk through every word in the rule to check if it is not done. If so
4750 * then this word needs to be part of a new recipe.
4752 for (j = 0; j < lkup_exts->n_val_words; j++)
4753 if (!test_bit(j, lkup_exts->done)) {
4755 grp->n_val_pairs == ICE_NUM_WORDS_RECIPE) {
4756 struct ice_recp_grp_entry *entry;
4758 entry = devm_kzalloc(ice_hw_to_dev(hw),
4763 list_add(&entry->l_entry, rg_list);
4764 grp = &entry->r_group;
4768 grp->pairs[grp->n_val_pairs].prot_id =
4769 lkup_exts->fv_words[j].prot_id;
4770 grp->pairs[grp->n_val_pairs].off =
4771 lkup_exts->fv_words[j].off;
4772 grp->mask[grp->n_val_pairs] = lkup_exts->field_mask[j];
4780 * ice_fill_fv_word_index - fill in the field vector indices for a recipe group
4781 * @hw: pointer to the hardware structure
4782 * @fv_list: field vector with the extraction sequence information
4783 * @rg_list: recipe groupings with protocol-offset pairs
4785 * Helper function to fill in the field vector indices for protocol-offset
4786 * pairs. These indexes are then ultimately programmed into a recipe.
4789 ice_fill_fv_word_index(struct ice_hw *hw, struct list_head *fv_list,
4790 struct list_head *rg_list)
4792 struct ice_sw_fv_list_entry *fv;
4793 struct ice_recp_grp_entry *rg;
4794 struct ice_fv_word *fv_ext;
4796 if (list_empty(fv_list))
4799 fv = list_first_entry(fv_list, struct ice_sw_fv_list_entry,
4801 fv_ext = fv->fv_ptr->ew;
4803 list_for_each_entry(rg, rg_list, l_entry) {
4806 for (i = 0; i < rg->r_group.n_val_pairs; i++) {
4807 struct ice_fv_word *pr;
4812 pr = &rg->r_group.pairs[i];
4813 mask = rg->r_group.mask[i];
4815 for (j = 0; j < hw->blk[ICE_BLK_SW].es.fvw; j++)
4816 if (fv_ext[j].prot_id == pr->prot_id &&
4817 fv_ext[j].off == pr->off) {
4820 /* Store index of field vector */
4822 rg->fv_mask[i] = mask;
4826 /* Protocol/offset could not be found, caller gave an
4838 * ice_find_free_recp_res_idx - find free result indexes for recipe
4839 * @hw: pointer to hardware structure
4840 * @profiles: bitmap of profiles that will be associated with the new recipe
4841 * @free_idx: pointer to variable to receive the free index bitmap
4843 * The algorithm used here is:
4844 * 1. When creating a new recipe, create a set P which contains all
4845 * Profiles that will be associated with our new recipe
4847 * 2. For each Profile p in set P:
4848 * a. Add all recipes associated with Profile p into set R
4849 * b. Optional : PossibleIndexes &= profile[p].possibleIndexes
4850 * [initially PossibleIndexes should be 0xFFFFFFFFFFFFFFFF]
4851 * i. Or just assume they all have the same possible indexes:
4853 * i.e., PossibleIndexes = 0x0000F00000000000
4855 * 3. For each Recipe r in set R:
4856 * a. UsedIndexes |= (bitwise or ) recipe[r].res_indexes
4857 * b. FreeIndexes = UsedIndexes ^ PossibleIndexes
4859 * FreeIndexes will contain the bits indicating the indexes free for use,
4860 * then the code needs to update the recipe[r].used_result_idx_bits to
4861 * indicate which indexes were selected for use by this recipe.
4864 ice_find_free_recp_res_idx(struct ice_hw *hw, const unsigned long *profiles,
4865 unsigned long *free_idx)
4867 DECLARE_BITMAP(possible_idx, ICE_MAX_FV_WORDS);
4868 DECLARE_BITMAP(recipes, ICE_MAX_NUM_RECIPES);
4869 DECLARE_BITMAP(used_idx, ICE_MAX_FV_WORDS);
4872 bitmap_zero(recipes, ICE_MAX_NUM_RECIPES);
4873 bitmap_zero(used_idx, ICE_MAX_FV_WORDS);
4875 bitmap_fill(possible_idx, ICE_MAX_FV_WORDS);
4877 /* For each profile we are going to associate the recipe with, add the
4878 * recipes that are associated with that profile. This will give us
4879 * the set of recipes that our recipe may collide with. Also, determine
4880 * what possible result indexes are usable given this set of profiles.
4882 for_each_set_bit(bit, profiles, ICE_MAX_NUM_PROFILES) {
4883 bitmap_or(recipes, recipes, profile_to_recipe[bit],
4884 ICE_MAX_NUM_RECIPES);
4885 bitmap_and(possible_idx, possible_idx,
4886 hw->switch_info->prof_res_bm[bit],
4890 /* For each recipe that our new recipe may collide with, determine
4891 * which indexes have been used.
4893 for_each_set_bit(bit, recipes, ICE_MAX_NUM_RECIPES)
4894 bitmap_or(used_idx, used_idx,
4895 hw->switch_info->recp_list[bit].res_idxs,
4898 bitmap_xor(free_idx, used_idx, possible_idx, ICE_MAX_FV_WORDS);
4900 /* return number of free indexes */
4901 return (u16)bitmap_weight(free_idx, ICE_MAX_FV_WORDS);
4905 * ice_add_sw_recipe - function to call AQ calls to create switch recipe
4906 * @hw: pointer to hardware structure
4907 * @rm: recipe management list entry
4908 * @profiles: bitmap of profiles that will be associated.
4911 ice_add_sw_recipe(struct ice_hw *hw, struct ice_sw_recipe *rm,
4912 unsigned long *profiles)
4914 DECLARE_BITMAP(result_idx_bm, ICE_MAX_FV_WORDS);
4915 struct ice_aqc_recipe_content *content;
4916 struct ice_aqc_recipe_data_elem *tmp;
4917 struct ice_aqc_recipe_data_elem *buf;
4918 struct ice_recp_grp_entry *entry;
4925 /* When more than one recipe are required, another recipe is needed to
4926 * chain them together. Matching a tunnel metadata ID takes up one of
4927 * the match fields in the chaining recipe reducing the number of
4928 * chained recipes by one.
4930 /* check number of free result indices */
4931 bitmap_zero(result_idx_bm, ICE_MAX_FV_WORDS);
4932 free_res_idx = ice_find_free_recp_res_idx(hw, profiles, result_idx_bm);
4934 ice_debug(hw, ICE_DBG_SW, "Result idx slots: %d, need %d\n",
4935 free_res_idx, rm->n_grp_count);
4937 if (rm->n_grp_count > 1) {
4938 if (rm->n_grp_count > free_res_idx)
4944 if (rm->n_grp_count > ICE_MAX_CHAIN_RECIPE)
4947 tmp = kcalloc(ICE_MAX_NUM_RECIPES, sizeof(*tmp), GFP_KERNEL);
4951 buf = devm_kcalloc(ice_hw_to_dev(hw), rm->n_grp_count, sizeof(*buf),
4958 bitmap_zero(rm->r_bitmap, ICE_MAX_NUM_RECIPES);
4959 recipe_count = ICE_MAX_NUM_RECIPES;
4960 status = ice_aq_get_recipe(hw, tmp, &recipe_count, ICE_SW_LKUP_MAC,
4962 if (status || recipe_count == 0)
4965 /* Allocate the recipe resources, and configure them according to the
4966 * match fields from protocol headers and extracted field vectors.
4968 chain_idx = find_first_bit(result_idx_bm, ICE_MAX_FV_WORDS);
4969 list_for_each_entry(entry, &rm->rg_list, l_entry) {
4972 status = ice_alloc_recipe(hw, &entry->rid);
4976 content = &buf[recps].content;
4978 /* Clear the result index of the located recipe, as this will be
4979 * updated, if needed, later in the recipe creation process.
4981 tmp[0].content.result_indx = 0;
4983 buf[recps] = tmp[0];
4984 buf[recps].recipe_indx = (u8)entry->rid;
4985 /* if the recipe is a non-root recipe RID should be programmed
4986 * as 0 for the rules to be applied correctly.
4989 memset(&content->lkup_indx, 0,
4990 sizeof(content->lkup_indx));
4992 /* All recipes use look-up index 0 to match switch ID. */
4993 content->lkup_indx[0] = ICE_AQ_SW_ID_LKUP_IDX;
4994 content->mask[0] = cpu_to_le16(ICE_AQ_SW_ID_LKUP_MASK);
4995 /* Setup lkup_indx 1..4 to INVALID/ignore and set the mask
4998 for (i = 1; i <= ICE_NUM_WORDS_RECIPE; i++) {
4999 content->lkup_indx[i] = 0x80;
5000 content->mask[i] = 0;
5003 for (i = 0; i < entry->r_group.n_val_pairs; i++) {
5004 content->lkup_indx[i + 1] = entry->fv_idx[i];
5005 content->mask[i + 1] = cpu_to_le16(entry->fv_mask[i]);
5008 if (rm->n_grp_count > 1) {
5009 /* Checks to see if there really is a valid result index
5012 if (chain_idx >= ICE_MAX_FV_WORDS) {
5013 ice_debug(hw, ICE_DBG_SW, "No chain index available\n");
5018 entry->chain_idx = chain_idx;
5019 content->result_indx =
5020 ICE_AQ_RECIPE_RESULT_EN |
5021 FIELD_PREP(ICE_AQ_RECIPE_RESULT_DATA_M,
5023 clear_bit(chain_idx, result_idx_bm);
5024 chain_idx = find_first_bit(result_idx_bm,
5028 /* fill recipe dependencies */
5029 bitmap_zero((unsigned long *)buf[recps].recipe_bitmap,
5030 ICE_MAX_NUM_RECIPES);
5031 set_bit(buf[recps].recipe_indx,
5032 (unsigned long *)buf[recps].recipe_bitmap);
5033 content->act_ctrl_fwd_priority = rm->priority;
5035 if (rm->need_pass_l2)
5036 content->act_ctrl |= ICE_AQ_RECIPE_ACT_NEED_PASS_L2;
5038 if (rm->allow_pass_l2)
5039 content->act_ctrl |= ICE_AQ_RECIPE_ACT_ALLOW_PASS_L2;
5043 if (rm->n_grp_count == 1) {
5044 rm->root_rid = buf[0].recipe_indx;
5045 set_bit(buf[0].recipe_indx, rm->r_bitmap);
5046 buf[0].content.rid = rm->root_rid | ICE_AQ_RECIPE_ID_IS_ROOT;
5047 if (sizeof(buf[0].recipe_bitmap) >= sizeof(rm->r_bitmap)) {
5048 memcpy(buf[0].recipe_bitmap, rm->r_bitmap,
5049 sizeof(buf[0].recipe_bitmap));
5054 /* Applicable only for ROOT_RECIPE, set the fwd_priority for
5055 * the recipe which is getting created if specified
5056 * by user. Usually any advanced switch filter, which results
5057 * into new extraction sequence, ended up creating a new recipe
5058 * of type ROOT and usually recipes are associated with profiles
5059 * Switch rule referreing newly created recipe, needs to have
5060 * either/or 'fwd' or 'join' priority, otherwise switch rule
5061 * evaluation will not happen correctly. In other words, if
5062 * switch rule to be evaluated on priority basis, then recipe
5063 * needs to have priority, otherwise it will be evaluated last.
5065 buf[0].content.act_ctrl_fwd_priority = rm->priority;
5067 struct ice_recp_grp_entry *last_chain_entry;
5070 /* Allocate the last recipe that will chain the outcomes of the
5071 * other recipes together
5073 status = ice_alloc_recipe(hw, &rid);
5077 content = &buf[recps].content;
5079 buf[recps].recipe_indx = (u8)rid;
5080 content->rid = (u8)rid;
5081 content->rid |= ICE_AQ_RECIPE_ID_IS_ROOT;
5082 /* the new entry created should also be part of rg_list to
5083 * make sure we have complete recipe
5085 last_chain_entry = devm_kzalloc(ice_hw_to_dev(hw),
5086 sizeof(*last_chain_entry),
5088 if (!last_chain_entry) {
5092 last_chain_entry->rid = rid;
5093 memset(&content->lkup_indx, 0, sizeof(content->lkup_indx));
5094 /* All recipes use look-up index 0 to match switch ID. */
5095 content->lkup_indx[0] = ICE_AQ_SW_ID_LKUP_IDX;
5096 content->mask[0] = cpu_to_le16(ICE_AQ_SW_ID_LKUP_MASK);
5097 for (i = 1; i <= ICE_NUM_WORDS_RECIPE; i++) {
5098 content->lkup_indx[i] = ICE_AQ_RECIPE_LKUP_IGNORE;
5099 content->mask[i] = 0;
5103 /* update r_bitmap with the recp that is used for chaining */
5104 set_bit(rid, rm->r_bitmap);
5105 /* this is the recipe that chains all the other recipes so it
5106 * should not have a chaining ID to indicate the same
5108 last_chain_entry->chain_idx = ICE_INVAL_CHAIN_IND;
5109 list_for_each_entry(entry, &rm->rg_list, l_entry) {
5110 last_chain_entry->fv_idx[i] = entry->chain_idx;
5111 content->lkup_indx[i] = entry->chain_idx;
5112 content->mask[i++] = cpu_to_le16(0xFFFF);
5113 set_bit(entry->rid, rm->r_bitmap);
5115 list_add(&last_chain_entry->l_entry, &rm->rg_list);
5116 if (sizeof(buf[recps].recipe_bitmap) >=
5117 sizeof(rm->r_bitmap)) {
5118 memcpy(buf[recps].recipe_bitmap, rm->r_bitmap,
5119 sizeof(buf[recps].recipe_bitmap));
5124 content->act_ctrl_fwd_priority = rm->priority;
5127 rm->root_rid = (u8)rid;
5129 status = ice_acquire_change_lock(hw, ICE_RES_WRITE);
5133 status = ice_aq_add_recipe(hw, buf, rm->n_grp_count, NULL);
5134 ice_release_change_lock(hw);
5138 /* Every recipe that just got created add it to the recipe
5141 list_for_each_entry(entry, &rm->rg_list, l_entry) {
5142 struct ice_switch_info *sw = hw->switch_info;
5143 bool is_root, idx_found = false;
5144 struct ice_sw_recipe *recp;
5145 u16 idx, buf_idx = 0;
5147 /* find buffer index for copying some data */
5148 for (idx = 0; idx < rm->n_grp_count; idx++)
5149 if (buf[idx].recipe_indx == entry->rid) {
5159 recp = &sw->recp_list[entry->rid];
5160 is_root = (rm->root_rid == entry->rid);
5161 recp->is_root = is_root;
5163 recp->root_rid = entry->rid;
5164 recp->big_recp = (is_root && rm->n_grp_count > 1);
5166 memcpy(&recp->ext_words, entry->r_group.pairs,
5167 entry->r_group.n_val_pairs * sizeof(struct ice_fv_word));
5169 memcpy(recp->r_bitmap, buf[buf_idx].recipe_bitmap,
5170 sizeof(recp->r_bitmap));
5172 /* Copy non-result fv index values and masks to recipe. This
5173 * call will also update the result recipe bitmask.
5175 ice_collect_result_idx(&buf[buf_idx], recp);
5177 /* for non-root recipes, also copy to the root, this allows
5178 * easier matching of a complete chained recipe
5181 ice_collect_result_idx(&buf[buf_idx],
5182 &sw->recp_list[rm->root_rid]);
5184 recp->n_ext_words = entry->r_group.n_val_pairs;
5185 recp->chain_idx = entry->chain_idx;
5186 recp->priority = buf[buf_idx].content.act_ctrl_fwd_priority;
5187 recp->n_grp_count = rm->n_grp_count;
5188 recp->tun_type = rm->tun_type;
5189 recp->need_pass_l2 = rm->need_pass_l2;
5190 recp->allow_pass_l2 = rm->allow_pass_l2;
5191 recp->recp_created = true;
5200 devm_kfree(ice_hw_to_dev(hw), buf);
5205 * ice_create_recipe_group - creates recipe group
5206 * @hw: pointer to hardware structure
5207 * @rm: recipe management list entry
5208 * @lkup_exts: lookup elements
5211 ice_create_recipe_group(struct ice_hw *hw, struct ice_sw_recipe *rm,
5212 struct ice_prot_lkup_ext *lkup_exts)
5217 rm->n_grp_count = 0;
5219 /* Create recipes for words that are marked not done by packing them
5222 status = ice_create_first_fit_recp_def(hw, lkup_exts,
5223 &rm->rg_list, &recp_count);
5225 rm->n_grp_count += recp_count;
5226 rm->n_ext_words = lkup_exts->n_val_words;
5227 memcpy(&rm->ext_words, lkup_exts->fv_words,
5228 sizeof(rm->ext_words));
5229 memcpy(rm->word_masks, lkup_exts->field_mask,
5230 sizeof(rm->word_masks));
5236 /* ice_get_compat_fv_bitmap - Get compatible field vector bitmap for rule
5237 * @hw: pointer to hardware structure
5238 * @rinfo: other information regarding the rule e.g. priority and action info
5239 * @bm: pointer to memory for returning the bitmap of field vectors
5242 ice_get_compat_fv_bitmap(struct ice_hw *hw, struct ice_adv_rule_info *rinfo,
5245 enum ice_prof_type prof_type;
5247 bitmap_zero(bm, ICE_MAX_NUM_PROFILES);
5249 switch (rinfo->tun_type) {
5251 prof_type = ICE_PROF_NON_TUN;
5253 case ICE_ALL_TUNNELS:
5254 prof_type = ICE_PROF_TUN_ALL;
5256 case ICE_SW_TUN_GENEVE:
5257 case ICE_SW_TUN_VXLAN:
5258 prof_type = ICE_PROF_TUN_UDP;
5260 case ICE_SW_TUN_NVGRE:
5261 prof_type = ICE_PROF_TUN_GRE;
5263 case ICE_SW_TUN_GTPU:
5264 prof_type = ICE_PROF_TUN_GTPU;
5266 case ICE_SW_TUN_GTPC:
5267 prof_type = ICE_PROF_TUN_GTPC;
5269 case ICE_SW_TUN_AND_NON_TUN:
5271 prof_type = ICE_PROF_ALL;
5275 ice_get_sw_fv_bitmap(hw, prof_type, bm);
5279 * ice_add_adv_recipe - Add an advanced recipe that is not part of the default
5280 * @hw: pointer to hardware structure
5281 * @lkups: lookup elements or match criteria for the advanced recipe, one
5282 * structure per protocol header
5283 * @lkups_cnt: number of protocols
5284 * @rinfo: other information regarding the rule e.g. priority and action info
5285 * @rid: return the recipe ID of the recipe created
5288 ice_add_adv_recipe(struct ice_hw *hw, struct ice_adv_lkup_elem *lkups,
5289 u16 lkups_cnt, struct ice_adv_rule_info *rinfo, u16 *rid)
5291 DECLARE_BITMAP(fv_bitmap, ICE_MAX_NUM_PROFILES);
5292 DECLARE_BITMAP(profiles, ICE_MAX_NUM_PROFILES);
5293 struct ice_prot_lkup_ext *lkup_exts;
5294 struct ice_recp_grp_entry *r_entry;
5295 struct ice_sw_fv_list_entry *fvit;
5296 struct ice_recp_grp_entry *r_tmp;
5297 struct ice_sw_fv_list_entry *tmp;
5298 struct ice_sw_recipe *rm;
5305 lkup_exts = kzalloc(sizeof(*lkup_exts), GFP_KERNEL);
5309 /* Determine the number of words to be matched and if it exceeds a
5310 * recipe's restrictions
5312 for (i = 0; i < lkups_cnt; i++) {
5315 if (lkups[i].type >= ICE_PROTOCOL_LAST) {
5317 goto err_free_lkup_exts;
5320 count = ice_fill_valid_words(&lkups[i], lkup_exts);
5323 goto err_free_lkup_exts;
5327 rm = kzalloc(sizeof(*rm), GFP_KERNEL);
5330 goto err_free_lkup_exts;
5333 /* Get field vectors that contain fields extracted from all the protocol
5334 * headers being programmed.
5336 INIT_LIST_HEAD(&rm->fv_list);
5337 INIT_LIST_HEAD(&rm->rg_list);
5339 /* Get bitmap of field vectors (profiles) that are compatible with the
5340 * rule request; only these will be searched in the subsequent call to
5341 * ice_get_sw_fv_list.
5343 ice_get_compat_fv_bitmap(hw, rinfo, fv_bitmap);
5345 status = ice_get_sw_fv_list(hw, lkup_exts, fv_bitmap, &rm->fv_list);
5349 /* Group match words into recipes using preferred recipe grouping
5352 status = ice_create_recipe_group(hw, rm, lkup_exts);
5356 /* set the recipe priority if specified */
5357 rm->priority = (u8)rinfo->priority;
5359 rm->need_pass_l2 = rinfo->need_pass_l2;
5360 rm->allow_pass_l2 = rinfo->allow_pass_l2;
5362 /* Find offsets from the field vector. Pick the first one for all the
5365 status = ice_fill_fv_word_index(hw, &rm->fv_list, &rm->rg_list);
5369 /* get bitmap of all profiles the recipe will be associated with */
5370 bitmap_zero(profiles, ICE_MAX_NUM_PROFILES);
5371 list_for_each_entry(fvit, &rm->fv_list, list_entry) {
5372 ice_debug(hw, ICE_DBG_SW, "profile: %d\n", fvit->profile_id);
5373 set_bit((u16)fvit->profile_id, profiles);
5376 /* Look for a recipe which matches our requested fv / mask list */
5377 *rid = ice_find_recp(hw, lkup_exts, rinfo);
5378 if (*rid < ICE_MAX_NUM_RECIPES)
5379 /* Success if found a recipe that match the existing criteria */
5382 rm->tun_type = rinfo->tun_type;
5383 /* Recipe we need does not exist, add a recipe */
5384 status = ice_add_sw_recipe(hw, rm, profiles);
5388 /* Associate all the recipes created with all the profiles in the
5389 * common field vector.
5391 list_for_each_entry(fvit, &rm->fv_list, list_entry) {
5392 DECLARE_BITMAP(r_bitmap, ICE_MAX_NUM_RECIPES);
5395 status = ice_aq_get_recipe_to_profile(hw, fvit->profile_id,
5396 (u8 *)r_bitmap, NULL);
5400 bitmap_or(r_bitmap, r_bitmap, rm->r_bitmap,
5401 ICE_MAX_NUM_RECIPES);
5402 status = ice_acquire_change_lock(hw, ICE_RES_WRITE);
5406 status = ice_aq_map_recipe_to_profile(hw, fvit->profile_id,
5409 ice_release_change_lock(hw);
5414 /* Update profile to recipe bitmap array */
5415 bitmap_copy(profile_to_recipe[fvit->profile_id], r_bitmap,
5416 ICE_MAX_NUM_RECIPES);
5418 /* Update recipe to profile bitmap array */
5419 for_each_set_bit(j, rm->r_bitmap, ICE_MAX_NUM_RECIPES)
5420 set_bit((u16)fvit->profile_id, recipe_to_profile[j]);
5423 *rid = rm->root_rid;
5424 memcpy(&hw->switch_info->recp_list[*rid].lkup_exts, lkup_exts,
5425 sizeof(*lkup_exts));
5427 list_for_each_entry_safe(r_entry, r_tmp, &rm->rg_list, l_entry) {
5428 list_del(&r_entry->l_entry);
5429 devm_kfree(ice_hw_to_dev(hw), r_entry);
5432 list_for_each_entry_safe(fvit, tmp, &rm->fv_list, list_entry) {
5433 list_del(&fvit->list_entry);
5434 devm_kfree(ice_hw_to_dev(hw), fvit);
5437 devm_kfree(ice_hw_to_dev(hw), rm->root_buf);
5447 * ice_dummy_packet_add_vlan - insert VLAN header to dummy pkt
5449 * @dummy_pkt: dummy packet profile pattern to which VLAN tag(s) will be added
5450 * @num_vlan: number of VLAN tags
5452 static struct ice_dummy_pkt_profile *
5453 ice_dummy_packet_add_vlan(const struct ice_dummy_pkt_profile *dummy_pkt,
5456 struct ice_dummy_pkt_profile *profile;
5457 struct ice_dummy_pkt_offsets *offsets;
5458 u32 buf_len, off, etype_off, i;
5461 if (num_vlan < 1 || num_vlan > 2)
5462 return ERR_PTR(-EINVAL);
5464 off = num_vlan * VLAN_HLEN;
5466 buf_len = array_size(num_vlan, sizeof(ice_dummy_vlan_packet_offsets)) +
5467 dummy_pkt->offsets_len;
5468 offsets = kzalloc(buf_len, GFP_KERNEL);
5470 return ERR_PTR(-ENOMEM);
5472 offsets[0] = dummy_pkt->offsets[0];
5473 if (num_vlan == 2) {
5474 offsets[1] = ice_dummy_qinq_packet_offsets[0];
5475 offsets[2] = ice_dummy_qinq_packet_offsets[1];
5476 } else if (num_vlan == 1) {
5477 offsets[1] = ice_dummy_vlan_packet_offsets[0];
5480 for (i = 1; dummy_pkt->offsets[i].type != ICE_PROTOCOL_LAST; i++) {
5481 offsets[i + num_vlan].type = dummy_pkt->offsets[i].type;
5482 offsets[i + num_vlan].offset =
5483 dummy_pkt->offsets[i].offset + off;
5485 offsets[i + num_vlan] = dummy_pkt->offsets[i];
5487 etype_off = dummy_pkt->offsets[1].offset;
5489 buf_len = array_size(num_vlan, sizeof(ice_dummy_vlan_packet)) +
5491 pkt = kzalloc(buf_len, GFP_KERNEL);
5494 return ERR_PTR(-ENOMEM);
5497 memcpy(pkt, dummy_pkt->pkt, etype_off);
5498 memcpy(pkt + etype_off,
5499 num_vlan == 2 ? ice_dummy_qinq_packet : ice_dummy_vlan_packet,
5501 memcpy(pkt + etype_off + off, dummy_pkt->pkt + etype_off,
5502 dummy_pkt->pkt_len - etype_off);
5504 profile = kzalloc(sizeof(*profile), GFP_KERNEL);
5508 return ERR_PTR(-ENOMEM);
5511 profile->offsets = offsets;
5513 profile->pkt_len = buf_len;
5514 profile->match |= ICE_PKT_KMALLOC;
5520 * ice_find_dummy_packet - find dummy packet
5522 * @lkups: lookup elements or match criteria for the advanced recipe, one
5523 * structure per protocol header
5524 * @lkups_cnt: number of protocols
5525 * @tun_type: tunnel type
5527 * Returns the &ice_dummy_pkt_profile corresponding to these lookup params.
5529 static const struct ice_dummy_pkt_profile *
5530 ice_find_dummy_packet(struct ice_adv_lkup_elem *lkups, u16 lkups_cnt,
5531 enum ice_sw_tunnel_type tun_type)
5533 const struct ice_dummy_pkt_profile *ret = ice_dummy_pkt_profiles;
5534 u32 match = 0, vlan_count = 0;
5538 case ICE_SW_TUN_GTPC:
5539 match |= ICE_PKT_TUN_GTPC;
5541 case ICE_SW_TUN_GTPU:
5542 match |= ICE_PKT_TUN_GTPU;
5544 case ICE_SW_TUN_NVGRE:
5545 match |= ICE_PKT_TUN_NVGRE;
5547 case ICE_SW_TUN_GENEVE:
5548 case ICE_SW_TUN_VXLAN:
5549 match |= ICE_PKT_TUN_UDP;
5555 for (i = 0; i < lkups_cnt; i++) {
5556 if (lkups[i].type == ICE_UDP_ILOS)
5557 match |= ICE_PKT_INNER_UDP;
5558 else if (lkups[i].type == ICE_TCP_IL)
5559 match |= ICE_PKT_INNER_TCP;
5560 else if (lkups[i].type == ICE_IPV6_OFOS)
5561 match |= ICE_PKT_OUTER_IPV6;
5562 else if (lkups[i].type == ICE_VLAN_OFOS ||
5563 lkups[i].type == ICE_VLAN_EX)
5565 else if (lkups[i].type == ICE_VLAN_IN)
5567 else if (lkups[i].type == ICE_ETYPE_OL &&
5568 lkups[i].h_u.ethertype.ethtype_id ==
5569 cpu_to_be16(ICE_IPV6_ETHER_ID) &&
5570 lkups[i].m_u.ethertype.ethtype_id ==
5571 cpu_to_be16(0xFFFF))
5572 match |= ICE_PKT_OUTER_IPV6;
5573 else if (lkups[i].type == ICE_ETYPE_IL &&
5574 lkups[i].h_u.ethertype.ethtype_id ==
5575 cpu_to_be16(ICE_IPV6_ETHER_ID) &&
5576 lkups[i].m_u.ethertype.ethtype_id ==
5577 cpu_to_be16(0xFFFF))
5578 match |= ICE_PKT_INNER_IPV6;
5579 else if (lkups[i].type == ICE_IPV6_IL)
5580 match |= ICE_PKT_INNER_IPV6;
5581 else if (lkups[i].type == ICE_GTP_NO_PAY)
5582 match |= ICE_PKT_GTP_NOPAY;
5583 else if (lkups[i].type == ICE_PPPOE) {
5584 match |= ICE_PKT_PPPOE;
5585 if (lkups[i].h_u.pppoe_hdr.ppp_prot_id ==
5587 match |= ICE_PKT_OUTER_IPV6;
5588 } else if (lkups[i].type == ICE_L2TPV3)
5589 match |= ICE_PKT_L2TPV3;
5592 while (ret->match && (match & ret->match) != ret->match)
5595 if (vlan_count != 0)
5596 ret = ice_dummy_packet_add_vlan(ret, vlan_count);
5602 * ice_fill_adv_dummy_packet - fill a dummy packet with given match criteria
5604 * @lkups: lookup elements or match criteria for the advanced recipe, one
5605 * structure per protocol header
5606 * @lkups_cnt: number of protocols
5607 * @s_rule: stores rule information from the match criteria
5608 * @profile: dummy packet profile (the template, its size and header offsets)
5611 ice_fill_adv_dummy_packet(struct ice_adv_lkup_elem *lkups, u16 lkups_cnt,
5612 struct ice_sw_rule_lkup_rx_tx *s_rule,
5613 const struct ice_dummy_pkt_profile *profile)
5618 /* Start with a packet with a pre-defined/dummy content. Then, fill
5619 * in the header values to be looked up or matched.
5621 pkt = s_rule->hdr_data;
5623 memcpy(pkt, profile->pkt, profile->pkt_len);
5625 for (i = 0; i < lkups_cnt; i++) {
5626 const struct ice_dummy_pkt_offsets *offsets = profile->offsets;
5627 enum ice_protocol_type type;
5628 u16 offset = 0, len = 0, j;
5631 /* find the start of this layer; it should be found since this
5632 * was already checked when search for the dummy packet
5634 type = lkups[i].type;
5635 /* metadata isn't present in the packet */
5636 if (type == ICE_HW_METADATA)
5639 for (j = 0; offsets[j].type != ICE_PROTOCOL_LAST; j++) {
5640 if (type == offsets[j].type) {
5641 offset = offsets[j].offset;
5646 /* this should never happen in a correct calling sequence */
5650 switch (lkups[i].type) {
5653 len = sizeof(struct ice_ether_hdr);
5657 len = sizeof(struct ice_ethtype_hdr);
5662 len = sizeof(struct ice_vlan_hdr);
5666 len = sizeof(struct ice_ipv4_hdr);
5670 len = sizeof(struct ice_ipv6_hdr);
5675 len = sizeof(struct ice_l4_hdr);
5678 len = sizeof(struct ice_sctp_hdr);
5681 len = sizeof(struct ice_nvgre_hdr);
5685 len = sizeof(struct ice_udp_tnl_hdr);
5687 case ICE_GTP_NO_PAY:
5689 len = sizeof(struct ice_udp_gtp_hdr);
5692 len = sizeof(struct ice_pppoe_hdr);
5695 len = sizeof(struct ice_l2tpv3_sess_hdr);
5701 /* the length should be a word multiple */
5702 if (len % ICE_BYTES_PER_WORD)
5705 /* We have the offset to the header start, the length, the
5706 * caller's header values and mask. Use this information to
5707 * copy the data into the dummy packet appropriately based on
5708 * the mask. Note that we need to only write the bits as
5709 * indicated by the mask to make sure we don't improperly write
5710 * over any significant packet data.
5712 for (j = 0; j < len / sizeof(u16); j++) {
5713 u16 *ptr = (u16 *)(pkt + offset);
5714 u16 mask = lkups[i].m_raw[j];
5719 ptr[j] = (ptr[j] & ~mask) | (lkups[i].h_raw[j] & mask);
5723 s_rule->hdr_len = cpu_to_le16(profile->pkt_len);
5729 * ice_fill_adv_packet_tun - fill dummy packet with udp tunnel port
5730 * @hw: pointer to the hardware structure
5731 * @tun_type: tunnel type
5732 * @pkt: dummy packet to fill in
5733 * @offsets: offset info for the dummy packet
5736 ice_fill_adv_packet_tun(struct ice_hw *hw, enum ice_sw_tunnel_type tun_type,
5737 u8 *pkt, const struct ice_dummy_pkt_offsets *offsets)
5742 case ICE_SW_TUN_VXLAN:
5743 if (!ice_get_open_tunnel_port(hw, &open_port, TNL_VXLAN))
5746 case ICE_SW_TUN_GENEVE:
5747 if (!ice_get_open_tunnel_port(hw, &open_port, TNL_GENEVE))
5751 /* Nothing needs to be done for this tunnel type */
5755 /* Find the outer UDP protocol header and insert the port number */
5756 for (i = 0; offsets[i].type != ICE_PROTOCOL_LAST; i++) {
5757 if (offsets[i].type == ICE_UDP_OF) {
5758 struct ice_l4_hdr *hdr;
5761 offset = offsets[i].offset;
5762 hdr = (struct ice_l4_hdr *)&pkt[offset];
5763 hdr->dst_port = cpu_to_be16(open_port);
5773 * ice_fill_adv_packet_vlan - fill dummy packet with VLAN tag type
5774 * @hw: pointer to hw structure
5775 * @vlan_type: VLAN tag type
5776 * @pkt: dummy packet to fill in
5777 * @offsets: offset info for the dummy packet
5780 ice_fill_adv_packet_vlan(struct ice_hw *hw, u16 vlan_type, u8 *pkt,
5781 const struct ice_dummy_pkt_offsets *offsets)
5785 /* Check if there is something to do */
5786 if (!vlan_type || !ice_is_dvm_ena(hw))
5789 /* Find VLAN header and insert VLAN TPID */
5790 for (i = 0; offsets[i].type != ICE_PROTOCOL_LAST; i++) {
5791 if (offsets[i].type == ICE_VLAN_OFOS ||
5792 offsets[i].type == ICE_VLAN_EX) {
5793 struct ice_vlan_hdr *hdr;
5796 offset = offsets[i].offset;
5797 hdr = (struct ice_vlan_hdr *)&pkt[offset];
5798 hdr->type = cpu_to_be16(vlan_type);
5807 static bool ice_rules_equal(const struct ice_adv_rule_info *first,
5808 const struct ice_adv_rule_info *second)
5810 return first->sw_act.flag == second->sw_act.flag &&
5811 first->tun_type == second->tun_type &&
5812 first->vlan_type == second->vlan_type &&
5813 first->src_vsi == second->src_vsi &&
5814 first->need_pass_l2 == second->need_pass_l2 &&
5815 first->allow_pass_l2 == second->allow_pass_l2;
5819 * ice_find_adv_rule_entry - Search a rule entry
5820 * @hw: pointer to the hardware structure
5821 * @lkups: lookup elements or match criteria for the advanced recipe, one
5822 * structure per protocol header
5823 * @lkups_cnt: number of protocols
5824 * @recp_id: recipe ID for which we are finding the rule
5825 * @rinfo: other information regarding the rule e.g. priority and action info
5827 * Helper function to search for a given advance rule entry
5828 * Returns pointer to entry storing the rule if found
5830 static struct ice_adv_fltr_mgmt_list_entry *
5831 ice_find_adv_rule_entry(struct ice_hw *hw, struct ice_adv_lkup_elem *lkups,
5832 u16 lkups_cnt, u16 recp_id,
5833 struct ice_adv_rule_info *rinfo)
5835 struct ice_adv_fltr_mgmt_list_entry *list_itr;
5836 struct ice_switch_info *sw = hw->switch_info;
5839 list_for_each_entry(list_itr, &sw->recp_list[recp_id].filt_rules,
5841 bool lkups_matched = true;
5843 if (lkups_cnt != list_itr->lkups_cnt)
5845 for (i = 0; i < list_itr->lkups_cnt; i++)
5846 if (memcmp(&list_itr->lkups[i], &lkups[i],
5848 lkups_matched = false;
5851 if (ice_rules_equal(rinfo, &list_itr->rule_info) &&
5859 * ice_adv_add_update_vsi_list
5860 * @hw: pointer to the hardware structure
5861 * @m_entry: pointer to current adv filter management list entry
5862 * @cur_fltr: filter information from the book keeping entry
5863 * @new_fltr: filter information with the new VSI to be added
5865 * Call AQ command to add or update previously created VSI list with new VSI.
5867 * Helper function to do book keeping associated with adding filter information
5868 * The algorithm to do the booking keeping is described below :
5869 * When a VSI needs to subscribe to a given advanced filter
5870 * if only one VSI has been added till now
5871 * Allocate a new VSI list and add two VSIs
5872 * to this list using switch rule command
5873 * Update the previously created switch rule with the
5874 * newly created VSI list ID
5875 * if a VSI list was previously created
5876 * Add the new VSI to the previously created VSI list set
5877 * using the update switch rule command
5880 ice_adv_add_update_vsi_list(struct ice_hw *hw,
5881 struct ice_adv_fltr_mgmt_list_entry *m_entry,
5882 struct ice_adv_rule_info *cur_fltr,
5883 struct ice_adv_rule_info *new_fltr)
5885 u16 vsi_list_id = 0;
5888 if (cur_fltr->sw_act.fltr_act == ICE_FWD_TO_Q ||
5889 cur_fltr->sw_act.fltr_act == ICE_FWD_TO_QGRP ||
5890 cur_fltr->sw_act.fltr_act == ICE_DROP_PACKET)
5893 if ((new_fltr->sw_act.fltr_act == ICE_FWD_TO_Q ||
5894 new_fltr->sw_act.fltr_act == ICE_FWD_TO_QGRP) &&
5895 (cur_fltr->sw_act.fltr_act == ICE_FWD_TO_VSI ||
5896 cur_fltr->sw_act.fltr_act == ICE_FWD_TO_VSI_LIST))
5899 if (m_entry->vsi_count < 2 && !m_entry->vsi_list_info) {
5900 /* Only one entry existed in the mapping and it was not already
5901 * a part of a VSI list. So, create a VSI list with the old and
5904 struct ice_fltr_info tmp_fltr;
5905 u16 vsi_handle_arr[2];
5907 /* A rule already exists with the new VSI being added */
5908 if (cur_fltr->sw_act.fwd_id.hw_vsi_id ==
5909 new_fltr->sw_act.fwd_id.hw_vsi_id)
5912 vsi_handle_arr[0] = cur_fltr->sw_act.vsi_handle;
5913 vsi_handle_arr[1] = new_fltr->sw_act.vsi_handle;
5914 status = ice_create_vsi_list_rule(hw, &vsi_handle_arr[0], 2,
5920 memset(&tmp_fltr, 0, sizeof(tmp_fltr));
5921 tmp_fltr.flag = m_entry->rule_info.sw_act.flag;
5922 tmp_fltr.fltr_rule_id = cur_fltr->fltr_rule_id;
5923 tmp_fltr.fltr_act = ICE_FWD_TO_VSI_LIST;
5924 tmp_fltr.fwd_id.vsi_list_id = vsi_list_id;
5925 tmp_fltr.lkup_type = ICE_SW_LKUP_LAST;
5927 /* Update the previous switch rule of "forward to VSI" to
5930 status = ice_update_pkt_fwd_rule(hw, &tmp_fltr);
5934 cur_fltr->sw_act.fwd_id.vsi_list_id = vsi_list_id;
5935 cur_fltr->sw_act.fltr_act = ICE_FWD_TO_VSI_LIST;
5936 m_entry->vsi_list_info =
5937 ice_create_vsi_list_map(hw, &vsi_handle_arr[0], 2,
5940 u16 vsi_handle = new_fltr->sw_act.vsi_handle;
5942 if (!m_entry->vsi_list_info)
5945 /* A rule already exists with the new VSI being added */
5946 if (test_bit(vsi_handle, m_entry->vsi_list_info->vsi_map))
5949 /* Update the previously created VSI list set with
5950 * the new VSI ID passed in
5952 vsi_list_id = cur_fltr->sw_act.fwd_id.vsi_list_id;
5954 status = ice_update_vsi_list_rule(hw, &vsi_handle, 1,
5956 ice_aqc_opc_update_sw_rules,
5958 /* update VSI list mapping info with new VSI ID */
5960 set_bit(vsi_handle, m_entry->vsi_list_info->vsi_map);
5963 m_entry->vsi_count++;
5967 void ice_rule_add_tunnel_metadata(struct ice_adv_lkup_elem *lkup)
5969 lkup->type = ICE_HW_METADATA;
5970 lkup->m_u.metadata.flags[ICE_PKT_FLAGS_MDID21] |=
5971 cpu_to_be16(ICE_PKT_TUNNEL_MASK);
5974 void ice_rule_add_direction_metadata(struct ice_adv_lkup_elem *lkup)
5976 lkup->type = ICE_HW_METADATA;
5977 lkup->m_u.metadata.flags[ICE_PKT_FLAGS_MDID20] |=
5978 cpu_to_be16(ICE_PKT_FROM_NETWORK);
5981 void ice_rule_add_vlan_metadata(struct ice_adv_lkup_elem *lkup)
5983 lkup->type = ICE_HW_METADATA;
5984 lkup->m_u.metadata.flags[ICE_PKT_FLAGS_MDID20] |=
5985 cpu_to_be16(ICE_PKT_VLAN_MASK);
5988 void ice_rule_add_src_vsi_metadata(struct ice_adv_lkup_elem *lkup)
5990 lkup->type = ICE_HW_METADATA;
5991 lkup->m_u.metadata.source_vsi = cpu_to_be16(ICE_MDID_SOURCE_VSI_MASK);
5995 * ice_add_adv_rule - helper function to create an advanced switch rule
5996 * @hw: pointer to the hardware structure
5997 * @lkups: information on the words that needs to be looked up. All words
5998 * together makes one recipe
5999 * @lkups_cnt: num of entries in the lkups array
6000 * @rinfo: other information related to the rule that needs to be programmed
6001 * @added_entry: this will return recipe_id, rule_id and vsi_handle. should be
6002 * ignored is case of error.
6004 * This function can program only 1 rule at a time. The lkups is used to
6005 * describe the all the words that forms the "lookup" portion of the recipe.
6006 * These words can span multiple protocols. Callers to this function need to
6007 * pass in a list of protocol headers with lookup information along and mask
6008 * that determines which words are valid from the given protocol header.
6009 * rinfo describes other information related to this rule such as forwarding
6010 * IDs, priority of this rule, etc.
6013 ice_add_adv_rule(struct ice_hw *hw, struct ice_adv_lkup_elem *lkups,
6014 u16 lkups_cnt, struct ice_adv_rule_info *rinfo,
6015 struct ice_rule_query_data *added_entry)
6017 struct ice_adv_fltr_mgmt_list_entry *m_entry, *adv_fltr = NULL;
6018 struct ice_sw_rule_lkup_rx_tx *s_rule = NULL;
6019 const struct ice_dummy_pkt_profile *profile;
6020 u16 rid = 0, i, rule_buf_sz, vsi_handle;
6021 struct list_head *rule_head;
6022 struct ice_switch_info *sw;
6028 /* Initialize profile to result index bitmap */
6029 if (!hw->switch_info->prof_res_bm_init) {
6030 hw->switch_info->prof_res_bm_init = 1;
6031 ice_init_prof_result_bm(hw);
6037 /* get # of words we need to match */
6039 for (i = 0; i < lkups_cnt; i++) {
6042 for (j = 0; j < ARRAY_SIZE(lkups->m_raw); j++)
6043 if (lkups[i].m_raw[j])
6050 if (word_cnt > ICE_MAX_CHAIN_WORDS)
6053 /* locate a dummy packet */
6054 profile = ice_find_dummy_packet(lkups, lkups_cnt, rinfo->tun_type);
6055 if (IS_ERR(profile))
6056 return PTR_ERR(profile);
6058 if (!(rinfo->sw_act.fltr_act == ICE_FWD_TO_VSI ||
6059 rinfo->sw_act.fltr_act == ICE_FWD_TO_Q ||
6060 rinfo->sw_act.fltr_act == ICE_FWD_TO_QGRP ||
6061 rinfo->sw_act.fltr_act == ICE_DROP_PACKET ||
6062 rinfo->sw_act.fltr_act == ICE_MIRROR_PACKET ||
6063 rinfo->sw_act.fltr_act == ICE_NOP)) {
6065 goto free_pkt_profile;
6068 vsi_handle = rinfo->sw_act.vsi_handle;
6069 if (!ice_is_vsi_valid(hw, vsi_handle)) {
6071 goto free_pkt_profile;
6074 if (rinfo->sw_act.fltr_act == ICE_FWD_TO_VSI ||
6075 rinfo->sw_act.fltr_act == ICE_MIRROR_PACKET ||
6076 rinfo->sw_act.fltr_act == ICE_NOP) {
6077 rinfo->sw_act.fwd_id.hw_vsi_id =
6078 ice_get_hw_vsi_num(hw, vsi_handle);
6082 rinfo->sw_act.src = ice_get_hw_vsi_num(hw, rinfo->src_vsi);
6084 rinfo->sw_act.src = ice_get_hw_vsi_num(hw, vsi_handle);
6086 status = ice_add_adv_recipe(hw, lkups, lkups_cnt, rinfo, &rid);
6088 goto free_pkt_profile;
6089 m_entry = ice_find_adv_rule_entry(hw, lkups, lkups_cnt, rid, rinfo);
6091 /* we have to add VSI to VSI_LIST and increment vsi_count.
6092 * Also Update VSI list so that we can change forwarding rule
6093 * if the rule already exists, we will check if it exists with
6094 * same vsi_id, if not then add it to the VSI list if it already
6095 * exists if not then create a VSI list and add the existing VSI
6096 * ID and the new VSI ID to the list
6097 * We will add that VSI to the list
6099 status = ice_adv_add_update_vsi_list(hw, m_entry,
6100 &m_entry->rule_info,
6103 added_entry->rid = rid;
6104 added_entry->rule_id = m_entry->rule_info.fltr_rule_id;
6105 added_entry->vsi_handle = rinfo->sw_act.vsi_handle;
6107 goto free_pkt_profile;
6109 rule_buf_sz = ICE_SW_RULE_RX_TX_HDR_SIZE(s_rule, profile->pkt_len);
6110 s_rule = kzalloc(rule_buf_sz, GFP_KERNEL);
6113 goto free_pkt_profile;
6116 if (rinfo->sw_act.fltr_act != ICE_MIRROR_PACKET) {
6117 if (!rinfo->flags_info.act_valid) {
6118 act |= ICE_SINGLE_ACT_LAN_ENABLE;
6119 act |= ICE_SINGLE_ACT_LB_ENABLE;
6121 act |= rinfo->flags_info.act & (ICE_SINGLE_ACT_LAN_ENABLE |
6122 ICE_SINGLE_ACT_LB_ENABLE);
6126 switch (rinfo->sw_act.fltr_act) {
6127 case ICE_FWD_TO_VSI:
6128 act |= FIELD_PREP(ICE_SINGLE_ACT_VSI_ID_M,
6129 rinfo->sw_act.fwd_id.hw_vsi_id);
6130 act |= ICE_SINGLE_ACT_VSI_FORWARDING | ICE_SINGLE_ACT_VALID_BIT;
6133 act |= ICE_SINGLE_ACT_TO_Q;
6134 act |= FIELD_PREP(ICE_SINGLE_ACT_Q_INDEX_M,
6135 rinfo->sw_act.fwd_id.q_id);
6137 case ICE_FWD_TO_QGRP:
6138 q_rgn = rinfo->sw_act.qgrp_size > 0 ?
6139 (u8)ilog2(rinfo->sw_act.qgrp_size) : 0;
6140 act |= ICE_SINGLE_ACT_TO_Q;
6141 act |= FIELD_PREP(ICE_SINGLE_ACT_Q_INDEX_M,
6142 rinfo->sw_act.fwd_id.q_id);
6143 act |= FIELD_PREP(ICE_SINGLE_ACT_Q_REGION_M, q_rgn);
6145 case ICE_DROP_PACKET:
6146 act |= ICE_SINGLE_ACT_VSI_FORWARDING | ICE_SINGLE_ACT_DROP |
6147 ICE_SINGLE_ACT_VALID_BIT;
6149 case ICE_MIRROR_PACKET:
6150 act |= ICE_SINGLE_ACT_OTHER_ACTS;
6151 act |= FIELD_PREP(ICE_SINGLE_ACT_VSI_ID_M,
6152 rinfo->sw_act.fwd_id.hw_vsi_id);
6155 act |= FIELD_PREP(ICE_SINGLE_ACT_VSI_ID_M,
6156 rinfo->sw_act.fwd_id.hw_vsi_id);
6157 act &= ~ICE_SINGLE_ACT_VALID_BIT;
6161 goto err_ice_add_adv_rule;
6164 /* If there is no matching criteria for direction there
6165 * is only one difference between Rx and Tx:
6166 * - get switch id base on VSI number from source field (Tx)
6167 * - get switch id base on port number (Rx)
6169 * If matching on direction metadata is chose rule direction is
6170 * extracted from type value set here.
6172 if (rinfo->sw_act.flag & ICE_FLTR_TX) {
6173 s_rule->hdr.type = cpu_to_le16(ICE_AQC_SW_RULES_T_LKUP_TX);
6174 s_rule->src = cpu_to_le16(rinfo->sw_act.src);
6176 s_rule->hdr.type = cpu_to_le16(ICE_AQC_SW_RULES_T_LKUP_RX);
6177 s_rule->src = cpu_to_le16(hw->port_info->lport);
6180 s_rule->recipe_id = cpu_to_le16(rid);
6181 s_rule->act = cpu_to_le32(act);
6183 status = ice_fill_adv_dummy_packet(lkups, lkups_cnt, s_rule, profile);
6185 goto err_ice_add_adv_rule;
6187 status = ice_fill_adv_packet_tun(hw, rinfo->tun_type, s_rule->hdr_data,
6190 goto err_ice_add_adv_rule;
6192 status = ice_fill_adv_packet_vlan(hw, rinfo->vlan_type,
6196 goto err_ice_add_adv_rule;
6198 status = ice_aq_sw_rules(hw, (struct ice_aqc_sw_rules *)s_rule,
6199 rule_buf_sz, 1, ice_aqc_opc_add_sw_rules,
6202 goto err_ice_add_adv_rule;
6203 adv_fltr = devm_kzalloc(ice_hw_to_dev(hw),
6204 sizeof(struct ice_adv_fltr_mgmt_list_entry),
6208 goto err_ice_add_adv_rule;
6211 adv_fltr->lkups = devm_kmemdup(ice_hw_to_dev(hw), lkups,
6212 lkups_cnt * sizeof(*lkups), GFP_KERNEL);
6213 if (!adv_fltr->lkups) {
6215 goto err_ice_add_adv_rule;
6218 adv_fltr->lkups_cnt = lkups_cnt;
6219 adv_fltr->rule_info = *rinfo;
6220 adv_fltr->rule_info.fltr_rule_id = le16_to_cpu(s_rule->index);
6221 sw = hw->switch_info;
6222 sw->recp_list[rid].adv_rule = true;
6223 rule_head = &sw->recp_list[rid].filt_rules;
6225 if (rinfo->sw_act.fltr_act == ICE_FWD_TO_VSI)
6226 adv_fltr->vsi_count = 1;
6228 /* Add rule entry to book keeping list */
6229 list_add(&adv_fltr->list_entry, rule_head);
6231 added_entry->rid = rid;
6232 added_entry->rule_id = adv_fltr->rule_info.fltr_rule_id;
6233 added_entry->vsi_handle = rinfo->sw_act.vsi_handle;
6235 err_ice_add_adv_rule:
6236 if (status && adv_fltr) {
6237 devm_kfree(ice_hw_to_dev(hw), adv_fltr->lkups);
6238 devm_kfree(ice_hw_to_dev(hw), adv_fltr);
6244 if (profile->match & ICE_PKT_KMALLOC) {
6245 kfree(profile->offsets);
6246 kfree(profile->pkt);
6254 * ice_replay_vsi_fltr - Replay filters for requested VSI
6255 * @hw: pointer to the hardware structure
6256 * @vsi_handle: driver VSI handle
6257 * @recp_id: Recipe ID for which rules need to be replayed
6258 * @list_head: list for which filters need to be replayed
6260 * Replays the filter of recipe recp_id for a VSI represented via vsi_handle.
6261 * It is required to pass valid VSI handle.
6264 ice_replay_vsi_fltr(struct ice_hw *hw, u16 vsi_handle, u8 recp_id,
6265 struct list_head *list_head)
6267 struct ice_fltr_mgmt_list_entry *itr;
6271 if (list_empty(list_head))
6273 hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle);
6275 list_for_each_entry(itr, list_head, list_entry) {
6276 struct ice_fltr_list_entry f_entry;
6278 f_entry.fltr_info = itr->fltr_info;
6279 if (itr->vsi_count < 2 && recp_id != ICE_SW_LKUP_VLAN &&
6280 itr->fltr_info.vsi_handle == vsi_handle) {
6281 /* update the src in case it is VSI num */
6282 if (f_entry.fltr_info.src_id == ICE_SRC_ID_VSI)
6283 f_entry.fltr_info.src = hw_vsi_id;
6284 status = ice_add_rule_internal(hw, recp_id, &f_entry);
6289 if (!itr->vsi_list_info ||
6290 !test_bit(vsi_handle, itr->vsi_list_info->vsi_map))
6292 /* Clearing it so that the logic can add it back */
6293 clear_bit(vsi_handle, itr->vsi_list_info->vsi_map);
6294 f_entry.fltr_info.vsi_handle = vsi_handle;
6295 f_entry.fltr_info.fltr_act = ICE_FWD_TO_VSI;
6296 /* update the src in case it is VSI num */
6297 if (f_entry.fltr_info.src_id == ICE_SRC_ID_VSI)
6298 f_entry.fltr_info.src = hw_vsi_id;
6299 if (recp_id == ICE_SW_LKUP_VLAN)
6300 status = ice_add_vlan_internal(hw, &f_entry);
6302 status = ice_add_rule_internal(hw, recp_id, &f_entry);
6311 * ice_adv_rem_update_vsi_list
6312 * @hw: pointer to the hardware structure
6313 * @vsi_handle: VSI handle of the VSI to remove
6314 * @fm_list: filter management entry for which the VSI list management needs to
6318 ice_adv_rem_update_vsi_list(struct ice_hw *hw, u16 vsi_handle,
6319 struct ice_adv_fltr_mgmt_list_entry *fm_list)
6321 struct ice_vsi_list_map_info *vsi_list_info;
6322 enum ice_sw_lkup_type lkup_type;
6326 if (fm_list->rule_info.sw_act.fltr_act != ICE_FWD_TO_VSI_LIST ||
6327 fm_list->vsi_count == 0)
6330 /* A rule with the VSI being removed does not exist */
6331 if (!test_bit(vsi_handle, fm_list->vsi_list_info->vsi_map))
6334 lkup_type = ICE_SW_LKUP_LAST;
6335 vsi_list_id = fm_list->rule_info.sw_act.fwd_id.vsi_list_id;
6336 status = ice_update_vsi_list_rule(hw, &vsi_handle, 1, vsi_list_id, true,
6337 ice_aqc_opc_update_sw_rules,
6342 fm_list->vsi_count--;
6343 clear_bit(vsi_handle, fm_list->vsi_list_info->vsi_map);
6344 vsi_list_info = fm_list->vsi_list_info;
6345 if (fm_list->vsi_count == 1) {
6346 struct ice_fltr_info tmp_fltr;
6349 rem_vsi_handle = find_first_bit(vsi_list_info->vsi_map,
6351 if (!ice_is_vsi_valid(hw, rem_vsi_handle))
6354 /* Make sure VSI list is empty before removing it below */
6355 status = ice_update_vsi_list_rule(hw, &rem_vsi_handle, 1,
6357 ice_aqc_opc_update_sw_rules,
6362 memset(&tmp_fltr, 0, sizeof(tmp_fltr));
6363 tmp_fltr.flag = fm_list->rule_info.sw_act.flag;
6364 tmp_fltr.fltr_rule_id = fm_list->rule_info.fltr_rule_id;
6365 fm_list->rule_info.sw_act.fltr_act = ICE_FWD_TO_VSI;
6366 tmp_fltr.fltr_act = ICE_FWD_TO_VSI;
6367 tmp_fltr.fwd_id.hw_vsi_id =
6368 ice_get_hw_vsi_num(hw, rem_vsi_handle);
6369 fm_list->rule_info.sw_act.fwd_id.hw_vsi_id =
6370 ice_get_hw_vsi_num(hw, rem_vsi_handle);
6371 fm_list->rule_info.sw_act.vsi_handle = rem_vsi_handle;
6373 /* Update the previous switch rule of "MAC forward to VSI" to
6374 * "MAC fwd to VSI list"
6376 status = ice_update_pkt_fwd_rule(hw, &tmp_fltr);
6378 ice_debug(hw, ICE_DBG_SW, "Failed to update pkt fwd rule to FWD_TO_VSI on HW VSI %d, error %d\n",
6379 tmp_fltr.fwd_id.hw_vsi_id, status);
6382 fm_list->vsi_list_info->ref_cnt--;
6384 /* Remove the VSI list since it is no longer used */
6385 status = ice_remove_vsi_list_rule(hw, vsi_list_id, lkup_type);
6387 ice_debug(hw, ICE_DBG_SW, "Failed to remove VSI list %d, error %d\n",
6388 vsi_list_id, status);
6392 list_del(&vsi_list_info->list_entry);
6393 devm_kfree(ice_hw_to_dev(hw), vsi_list_info);
6394 fm_list->vsi_list_info = NULL;
6401 * ice_rem_adv_rule - removes existing advanced switch rule
6402 * @hw: pointer to the hardware structure
6403 * @lkups: information on the words that needs to be looked up. All words
6404 * together makes one recipe
6405 * @lkups_cnt: num of entries in the lkups array
6406 * @rinfo: Its the pointer to the rule information for the rule
6408 * This function can be used to remove 1 rule at a time. The lkups is
6409 * used to describe all the words that forms the "lookup" portion of the
6410 * rule. These words can span multiple protocols. Callers to this function
6411 * need to pass in a list of protocol headers with lookup information along
6412 * and mask that determines which words are valid from the given protocol
6413 * header. rinfo describes other information related to this rule such as
6414 * forwarding IDs, priority of this rule, etc.
6417 ice_rem_adv_rule(struct ice_hw *hw, struct ice_adv_lkup_elem *lkups,
6418 u16 lkups_cnt, struct ice_adv_rule_info *rinfo)
6420 struct ice_adv_fltr_mgmt_list_entry *list_elem;
6421 struct ice_prot_lkup_ext lkup_exts;
6422 bool remove_rule = false;
6423 struct mutex *rule_lock; /* Lock to protect filter rule list */
6424 u16 i, rid, vsi_handle;
6427 memset(&lkup_exts, 0, sizeof(lkup_exts));
6428 for (i = 0; i < lkups_cnt; i++) {
6431 if (lkups[i].type >= ICE_PROTOCOL_LAST)
6434 count = ice_fill_valid_words(&lkups[i], &lkup_exts);
6439 rid = ice_find_recp(hw, &lkup_exts, rinfo);
6440 /* If did not find a recipe that match the existing criteria */
6441 if (rid == ICE_MAX_NUM_RECIPES)
6444 rule_lock = &hw->switch_info->recp_list[rid].filt_rule_lock;
6445 list_elem = ice_find_adv_rule_entry(hw, lkups, lkups_cnt, rid, rinfo);
6446 /* the rule is already removed */
6449 mutex_lock(rule_lock);
6450 if (list_elem->rule_info.sw_act.fltr_act != ICE_FWD_TO_VSI_LIST) {
6452 } else if (list_elem->vsi_count > 1) {
6453 remove_rule = false;
6454 vsi_handle = rinfo->sw_act.vsi_handle;
6455 status = ice_adv_rem_update_vsi_list(hw, vsi_handle, list_elem);
6457 vsi_handle = rinfo->sw_act.vsi_handle;
6458 status = ice_adv_rem_update_vsi_list(hw, vsi_handle, list_elem);
6460 mutex_unlock(rule_lock);
6463 if (list_elem->vsi_count == 0)
6466 mutex_unlock(rule_lock);
6468 struct ice_sw_rule_lkup_rx_tx *s_rule;
6471 rule_buf_sz = ICE_SW_RULE_RX_TX_NO_HDR_SIZE(s_rule);
6472 s_rule = kzalloc(rule_buf_sz, GFP_KERNEL);
6476 s_rule->index = cpu_to_le16(list_elem->rule_info.fltr_rule_id);
6477 s_rule->hdr_len = 0;
6478 status = ice_aq_sw_rules(hw, (struct ice_aqc_sw_rules *)s_rule,
6480 ice_aqc_opc_remove_sw_rules, NULL);
6481 if (!status || status == -ENOENT) {
6482 struct ice_switch_info *sw = hw->switch_info;
6484 mutex_lock(rule_lock);
6485 list_del(&list_elem->list_entry);
6486 devm_kfree(ice_hw_to_dev(hw), list_elem->lkups);
6487 devm_kfree(ice_hw_to_dev(hw), list_elem);
6488 mutex_unlock(rule_lock);
6489 if (list_empty(&sw->recp_list[rid].filt_rules))
6490 sw->recp_list[rid].adv_rule = false;
6498 * ice_rem_adv_rule_by_id - removes existing advanced switch rule by ID
6499 * @hw: pointer to the hardware structure
6500 * @remove_entry: data struct which holds rule_id, VSI handle and recipe ID
6502 * This function is used to remove 1 rule at a time. The removal is based on
6503 * the remove_entry parameter. This function will remove rule for a given
6504 * vsi_handle with a given rule_id which is passed as parameter in remove_entry
6507 ice_rem_adv_rule_by_id(struct ice_hw *hw,
6508 struct ice_rule_query_data *remove_entry)
6510 struct ice_adv_fltr_mgmt_list_entry *list_itr;
6511 struct list_head *list_head;
6512 struct ice_adv_rule_info rinfo;
6513 struct ice_switch_info *sw;
6515 sw = hw->switch_info;
6516 if (!sw->recp_list[remove_entry->rid].recp_created)
6518 list_head = &sw->recp_list[remove_entry->rid].filt_rules;
6519 list_for_each_entry(list_itr, list_head, list_entry) {
6520 if (list_itr->rule_info.fltr_rule_id ==
6521 remove_entry->rule_id) {
6522 rinfo = list_itr->rule_info;
6523 rinfo.sw_act.vsi_handle = remove_entry->vsi_handle;
6524 return ice_rem_adv_rule(hw, list_itr->lkups,
6525 list_itr->lkups_cnt, &rinfo);
6528 /* either list is empty or unable to find rule */
6533 * ice_replay_vsi_adv_rule - Replay advanced rule for requested VSI
6534 * @hw: pointer to the hardware structure
6535 * @vsi_handle: driver VSI handle
6536 * @list_head: list for which filters need to be replayed
6538 * Replay the advanced rule for the given VSI.
6541 ice_replay_vsi_adv_rule(struct ice_hw *hw, u16 vsi_handle,
6542 struct list_head *list_head)
6544 struct ice_rule_query_data added_entry = { 0 };
6545 struct ice_adv_fltr_mgmt_list_entry *adv_fltr;
6548 if (list_empty(list_head))
6550 list_for_each_entry(adv_fltr, list_head, list_entry) {
6551 struct ice_adv_rule_info *rinfo = &adv_fltr->rule_info;
6552 u16 lk_cnt = adv_fltr->lkups_cnt;
6554 if (vsi_handle != rinfo->sw_act.vsi_handle)
6556 status = ice_add_adv_rule(hw, adv_fltr->lkups, lk_cnt, rinfo,
6565 * ice_replay_vsi_all_fltr - replay all filters stored in bookkeeping lists
6566 * @hw: pointer to the hardware structure
6567 * @vsi_handle: driver VSI handle
6569 * Replays filters for requested VSI via vsi_handle.
6571 int ice_replay_vsi_all_fltr(struct ice_hw *hw, u16 vsi_handle)
6573 struct ice_switch_info *sw = hw->switch_info;
6577 for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) {
6578 struct list_head *head;
6580 head = &sw->recp_list[i].filt_replay_rules;
6581 if (!sw->recp_list[i].adv_rule)
6582 status = ice_replay_vsi_fltr(hw, vsi_handle, i, head);
6584 status = ice_replay_vsi_adv_rule(hw, vsi_handle, head);
6592 * ice_rm_all_sw_replay_rule_info - deletes filter replay rules
6593 * @hw: pointer to the HW struct
6595 * Deletes the filter replay rules.
6597 void ice_rm_all_sw_replay_rule_info(struct ice_hw *hw)
6599 struct ice_switch_info *sw = hw->switch_info;
6605 for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) {
6606 if (!list_empty(&sw->recp_list[i].filt_replay_rules)) {
6607 struct list_head *l_head;
6609 l_head = &sw->recp_list[i].filt_replay_rules;
6610 if (!sw->recp_list[i].adv_rule)
6611 ice_rem_sw_rule_info(hw, l_head);
6613 ice_rem_adv_rule_info(hw, l_head);