net/iavf: fix GTPU UL and DL support for flow director
[dpdk.git] / drivers / net / iavf / iavf_fdir.c
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright(c) 2020 Intel Corporation
3  */
4
5 #include <sys/queue.h>
6 #include <stdio.h>
7 #include <errno.h>
8 #include <stdint.h>
9 #include <string.h>
10 #include <unistd.h>
11 #include <stdarg.h>
12
13 #include <rte_ether.h>
14 #include <rte_ethdev_driver.h>
15 #include <rte_malloc.h>
16 #include <rte_tailq.h>
17
18 #include "iavf.h"
19 #include "iavf_generic_flow.h"
20 #include "virtchnl.h"
21 #include "iavf_rxtx.h"
22
23 #define IAVF_FDIR_MAX_QREGION_SIZE 128
24
25 #define IAVF_FDIR_IPV6_TC_OFFSET 20
26 #define IAVF_IPV6_TC_MASK  (0xFF << IAVF_FDIR_IPV6_TC_OFFSET)
27
28 #define IAVF_GTPU_EH_DWLINK 0
29 #define IAVF_GTPU_EH_UPLINK 1
30
31 #define IAVF_FDIR_INSET_ETH (\
32         IAVF_INSET_ETHERTYPE)
33
34 #define IAVF_FDIR_INSET_ETH_IPV4 (\
35         IAVF_INSET_IPV4_SRC | IAVF_INSET_IPV4_DST | \
36         IAVF_INSET_IPV4_PROTO | IAVF_INSET_IPV4_TOS | \
37         IAVF_INSET_IPV4_TTL)
38
39 #define IAVF_FDIR_INSET_ETH_IPV4_UDP (\
40         IAVF_INSET_IPV4_SRC | IAVF_INSET_IPV4_DST | \
41         IAVF_INSET_IPV4_TOS | IAVF_INSET_IPV4_TTL | \
42         IAVF_INSET_UDP_SRC_PORT | IAVF_INSET_UDP_DST_PORT)
43
44 #define IAVF_FDIR_INSET_ETH_IPV4_TCP (\
45         IAVF_INSET_IPV4_SRC | IAVF_INSET_IPV4_DST | \
46         IAVF_INSET_IPV4_TOS | IAVF_INSET_IPV4_TTL | \
47         IAVF_INSET_TCP_SRC_PORT | IAVF_INSET_TCP_DST_PORT)
48
49 #define IAVF_FDIR_INSET_ETH_IPV4_SCTP (\
50         IAVF_INSET_IPV4_SRC | IAVF_INSET_IPV4_DST | \
51         IAVF_INSET_IPV4_TOS | IAVF_INSET_IPV4_TTL | \
52         IAVF_INSET_SCTP_SRC_PORT | IAVF_INSET_SCTP_DST_PORT)
53
54 #define IAVF_FDIR_INSET_ETH_IPV6 (\
55         IAVF_INSET_IPV6_SRC | IAVF_INSET_IPV6_DST | \
56         IAVF_INSET_IPV6_NEXT_HDR | IAVF_INSET_IPV6_TC | \
57         IAVF_INSET_IPV6_HOP_LIMIT)
58
59 #define IAVF_FDIR_INSET_ETH_IPV6_UDP (\
60         IAVF_INSET_IPV6_SRC | IAVF_INSET_IPV6_DST | \
61         IAVF_INSET_IPV6_TC | IAVF_INSET_IPV6_HOP_LIMIT | \
62         IAVF_INSET_UDP_SRC_PORT | IAVF_INSET_UDP_DST_PORT)
63
64 #define IAVF_FDIR_INSET_ETH_IPV6_TCP (\
65         IAVF_INSET_IPV6_SRC | IAVF_INSET_IPV6_DST | \
66         IAVF_INSET_IPV6_TC | IAVF_INSET_IPV6_HOP_LIMIT | \
67         IAVF_INSET_TCP_SRC_PORT | IAVF_INSET_TCP_DST_PORT)
68
69 #define IAVF_FDIR_INSET_ETH_IPV6_SCTP (\
70         IAVF_INSET_IPV6_SRC | IAVF_INSET_IPV6_DST | \
71         IAVF_INSET_IPV6_TC | IAVF_INSET_IPV6_HOP_LIMIT | \
72         IAVF_INSET_SCTP_SRC_PORT | IAVF_INSET_SCTP_DST_PORT)
73
74 #define IAVF_FDIR_INSET_IPV4_GTPU (\
75         IAVF_INSET_IPV4_SRC | IAVF_INSET_IPV4_DST | \
76         IAVF_INSET_GTPU_TEID)
77
78 #define IAVF_FDIR_INSET_IPV4_GTPU_EH (\
79         IAVF_INSET_IPV4_SRC | IAVF_INSET_IPV4_DST | \
80         IAVF_INSET_GTPU_TEID | IAVF_INSET_GTPU_QFI)
81
82 #define IAVF_FDIR_INSET_IPV6_GTPU (\
83         IAVF_INSET_IPV6_SRC | IAVF_INSET_IPV6_DST | \
84         IAVF_INSET_GTPU_TEID)
85
86 #define IAVF_FDIR_INSET_IPV6_GTPU_EH (\
87         IAVF_INSET_IPV6_SRC | IAVF_INSET_IPV6_DST | \
88         IAVF_INSET_GTPU_TEID | IAVF_INSET_GTPU_QFI)
89
90 #define IAVF_FDIR_INSET_L2TPV3OIP (\
91         IAVF_L2TPV3OIP_SESSION_ID)
92
93 #define IAVF_FDIR_INSET_ESP (\
94         IAVF_INSET_ESP_SPI)
95
96 #define IAVF_FDIR_INSET_AH (\
97         IAVF_INSET_AH_SPI)
98
99 #define IAVF_FDIR_INSET_IPV4_NATT_ESP (\
100         IAVF_INSET_IPV4_SRC | IAVF_INSET_IPV4_DST | \
101         IAVF_INSET_ESP_SPI)
102
103 #define IAVF_FDIR_INSET_IPV6_NATT_ESP (\
104         IAVF_INSET_IPV6_SRC | IAVF_INSET_IPV6_DST | \
105         IAVF_INSET_ESP_SPI)
106
107 #define IAVF_FDIR_INSET_PFCP (\
108         IAVF_INSET_PFCP_S_FIELD)
109
110 #define IAVF_FDIR_INSET_ECPRI (\
111         IAVF_INSET_ECPRI)
112
113 static struct iavf_pattern_match_item iavf_fdir_pattern[] = {
114         {iavf_pattern_ethertype,                IAVF_FDIR_INSET_ETH,                    IAVF_INSET_NONE},
115         {iavf_pattern_eth_ipv4,                 IAVF_FDIR_INSET_ETH_IPV4,               IAVF_INSET_NONE},
116         {iavf_pattern_eth_ipv4_udp,             IAVF_FDIR_INSET_ETH_IPV4_UDP,           IAVF_INSET_NONE},
117         {iavf_pattern_eth_ipv4_tcp,             IAVF_FDIR_INSET_ETH_IPV4_TCP,           IAVF_INSET_NONE},
118         {iavf_pattern_eth_ipv4_sctp,            IAVF_FDIR_INSET_ETH_IPV4_SCTP,          IAVF_INSET_NONE},
119         {iavf_pattern_eth_ipv6,                 IAVF_FDIR_INSET_ETH_IPV6,               IAVF_INSET_NONE},
120         {iavf_pattern_eth_ipv6_udp,             IAVF_FDIR_INSET_ETH_IPV6_UDP,           IAVF_INSET_NONE},
121         {iavf_pattern_eth_ipv6_tcp,             IAVF_FDIR_INSET_ETH_IPV6_TCP,           IAVF_INSET_NONE},
122         {iavf_pattern_eth_ipv6_sctp,            IAVF_FDIR_INSET_ETH_IPV6_SCTP,          IAVF_INSET_NONE},
123         {iavf_pattern_eth_ipv4_gtpu,            IAVF_FDIR_INSET_IPV4_GTPU,              IAVF_INSET_NONE},
124         {iavf_pattern_eth_ipv4_gtpu_eh,         IAVF_FDIR_INSET_IPV4_GTPU_EH,           IAVF_INSET_NONE},
125         {iavf_pattern_eth_ipv6_gtpu,            IAVF_FDIR_INSET_IPV6_GTPU,              IAVF_INSET_NONE},
126         {iavf_pattern_eth_ipv6_gtpu_eh,         IAVF_FDIR_INSET_IPV6_GTPU_EH,           IAVF_INSET_NONE},
127         {iavf_pattern_eth_ipv4_l2tpv3,          IAVF_FDIR_INSET_L2TPV3OIP,              IAVF_INSET_NONE},
128         {iavf_pattern_eth_ipv6_l2tpv3,          IAVF_FDIR_INSET_L2TPV3OIP,              IAVF_INSET_NONE},
129         {iavf_pattern_eth_ipv4_esp,             IAVF_FDIR_INSET_ESP,                    IAVF_INSET_NONE},
130         {iavf_pattern_eth_ipv6_esp,             IAVF_FDIR_INSET_ESP,                    IAVF_INSET_NONE},
131         {iavf_pattern_eth_ipv4_ah,              IAVF_FDIR_INSET_AH,                     IAVF_INSET_NONE},
132         {iavf_pattern_eth_ipv6_ah,              IAVF_FDIR_INSET_AH,                     IAVF_INSET_NONE},
133         {iavf_pattern_eth_ipv4_udp_esp,         IAVF_FDIR_INSET_IPV4_NATT_ESP,          IAVF_INSET_NONE},
134         {iavf_pattern_eth_ipv6_udp_esp,         IAVF_FDIR_INSET_IPV6_NATT_ESP,          IAVF_INSET_NONE},
135         {iavf_pattern_eth_ipv4_pfcp,            IAVF_FDIR_INSET_PFCP,                   IAVF_INSET_NONE},
136         {iavf_pattern_eth_ipv6_pfcp,            IAVF_FDIR_INSET_PFCP,                   IAVF_INSET_NONE},
137         {iavf_pattern_eth_ecpri,                IAVF_FDIR_INSET_ECPRI,                  IAVF_INSET_NONE},
138         {iavf_pattern_eth_ipv4_ecpri,           IAVF_FDIR_INSET_ECPRI,                  IAVF_INSET_NONE},
139 };
140
141 static struct iavf_flow_parser iavf_fdir_parser;
142
143 static int
144 iavf_fdir_init(struct iavf_adapter *ad)
145 {
146         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(ad);
147         struct iavf_flow_parser *parser;
148
149         if (!vf->vf_res)
150                 return -EINVAL;
151
152         if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_FDIR_PF)
153                 parser = &iavf_fdir_parser;
154         else
155                 return -ENOTSUP;
156
157         return iavf_register_parser(parser, ad);
158 }
159
160 static void
161 iavf_fdir_uninit(struct iavf_adapter *ad)
162 {
163         iavf_unregister_parser(&iavf_fdir_parser, ad);
164 }
165
166 static int
167 iavf_fdir_create(struct iavf_adapter *ad,
168                 struct rte_flow *flow,
169                 void *meta,
170                 struct rte_flow_error *error)
171 {
172         struct iavf_fdir_conf *filter = meta;
173         struct iavf_fdir_conf *rule;
174         int ret;
175
176         rule = rte_zmalloc("fdir_entry", sizeof(*rule), 0);
177         if (!rule) {
178                 rte_flow_error_set(error, ENOMEM,
179                                 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
180                                 "Failed to allocate memory for fdir rule");
181                 return -rte_errno;
182         }
183
184         ret = iavf_fdir_add(ad, filter);
185         if (ret) {
186                 rte_flow_error_set(error, -ret,
187                                 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
188                                 "Failed to add filter rule.");
189                 goto free_entry;
190         }
191
192         if (filter->mark_flag == 1)
193                 iavf_fdir_rx_proc_enable(ad, 1);
194
195         rte_memcpy(rule, filter, sizeof(*rule));
196         flow->rule = rule;
197
198         return 0;
199
200 free_entry:
201         rte_free(rule);
202         return -rte_errno;
203 }
204
205 static int
206 iavf_fdir_destroy(struct iavf_adapter *ad,
207                 struct rte_flow *flow,
208                 struct rte_flow_error *error)
209 {
210         struct iavf_fdir_conf *filter;
211         int ret;
212
213         filter = (struct iavf_fdir_conf *)flow->rule;
214
215         ret = iavf_fdir_del(ad, filter);
216         if (ret) {
217                 rte_flow_error_set(error, -ret,
218                                 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
219                                 "Failed to delete filter rule.");
220                 return -rte_errno;
221         }
222
223         if (filter->mark_flag == 1)
224                 iavf_fdir_rx_proc_enable(ad, 0);
225
226         flow->rule = NULL;
227         rte_free(filter);
228
229         return 0;
230 }
231
232 static int
233 iavf_fdir_validation(struct iavf_adapter *ad,
234                 __rte_unused struct rte_flow *flow,
235                 void *meta,
236                 struct rte_flow_error *error)
237 {
238         struct iavf_fdir_conf *filter = meta;
239         int ret;
240
241         ret = iavf_fdir_check(ad, filter);
242         if (ret) {
243                 rte_flow_error_set(error, -ret,
244                                 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
245                                 "Failed to validate filter rule.");
246                 return -rte_errno;
247         }
248
249         return 0;
250 };
251
252 static struct iavf_flow_engine iavf_fdir_engine = {
253         .init = iavf_fdir_init,
254         .uninit = iavf_fdir_uninit,
255         .create = iavf_fdir_create,
256         .destroy = iavf_fdir_destroy,
257         .validation = iavf_fdir_validation,
258         .type = IAVF_FLOW_ENGINE_FDIR,
259 };
260
261 static int
262 iavf_fdir_parse_action_qregion(struct iavf_adapter *ad,
263                         struct rte_flow_error *error,
264                         const struct rte_flow_action *act,
265                         struct virtchnl_filter_action *filter_action)
266 {
267         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(ad);
268         const struct rte_flow_action_rss *rss = act->conf;
269         uint32_t i;
270
271         if (act->type != RTE_FLOW_ACTION_TYPE_RSS) {
272                 rte_flow_error_set(error, EINVAL,
273                                 RTE_FLOW_ERROR_TYPE_ACTION, act,
274                                 "Invalid action.");
275                 return -rte_errno;
276         }
277
278         if (rss->queue_num <= 1) {
279                 rte_flow_error_set(error, EINVAL,
280                                 RTE_FLOW_ERROR_TYPE_ACTION, act,
281                                 "Queue region size can't be 0 or 1.");
282                 return -rte_errno;
283         }
284
285         /* check if queue index for queue region is continuous */
286         for (i = 0; i < rss->queue_num - 1; i++) {
287                 if (rss->queue[i + 1] != rss->queue[i] + 1) {
288                         rte_flow_error_set(error, EINVAL,
289                                         RTE_FLOW_ERROR_TYPE_ACTION, act,
290                                         "Discontinuous queue region");
291                         return -rte_errno;
292                 }
293         }
294
295         if (rss->queue[rss->queue_num - 1] >= ad->eth_dev->data->nb_rx_queues) {
296                 rte_flow_error_set(error, EINVAL,
297                                 RTE_FLOW_ERROR_TYPE_ACTION, act,
298                                 "Invalid queue region indexes.");
299                 return -rte_errno;
300         }
301
302         if (!(rte_is_power_of_2(rss->queue_num) &&
303                 rss->queue_num <= IAVF_FDIR_MAX_QREGION_SIZE)) {
304                 rte_flow_error_set(error, EINVAL,
305                                 RTE_FLOW_ERROR_TYPE_ACTION, act,
306                                 "The region size should be any of the following values:"
307                                 "1, 2, 4, 8, 16, 32, 64, 128 as long as the total number "
308                                 "of queues do not exceed the VSI allocation.");
309                 return -rte_errno;
310         }
311
312         if (rss->queue_num > vf->max_rss_qregion) {
313                 rte_flow_error_set(error, EINVAL,
314                                 RTE_FLOW_ERROR_TYPE_ACTION, act,
315                                 "The region size cannot be large than the supported max RSS queue region");
316                 return -rte_errno;
317         }
318
319         filter_action->act_conf.queue.index = rss->queue[0];
320         filter_action->act_conf.queue.region = rte_fls_u32(rss->queue_num) - 1;
321
322         return 0;
323 }
324
325 static int
326 iavf_fdir_parse_action(struct iavf_adapter *ad,
327                         const struct rte_flow_action actions[],
328                         struct rte_flow_error *error,
329                         struct iavf_fdir_conf *filter)
330 {
331         const struct rte_flow_action_queue *act_q;
332         const struct rte_flow_action_mark *mark_spec = NULL;
333         uint32_t dest_num = 0;
334         uint32_t mark_num = 0;
335         int ret;
336
337         int number = 0;
338         struct virtchnl_filter_action *filter_action;
339
340         for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
341                 switch (actions->type) {
342                 case RTE_FLOW_ACTION_TYPE_VOID:
343                         break;
344
345                 case RTE_FLOW_ACTION_TYPE_PASSTHRU:
346                         dest_num++;
347
348                         filter_action = &filter->add_fltr.rule_cfg.action_set.actions[number];
349
350                         filter_action->type = VIRTCHNL_ACTION_PASSTHRU;
351
352                         filter->add_fltr.rule_cfg.action_set.count = ++number;
353                         break;
354
355                 case RTE_FLOW_ACTION_TYPE_DROP:
356                         dest_num++;
357
358                         filter_action = &filter->add_fltr.rule_cfg.action_set.actions[number];
359
360                         filter_action->type = VIRTCHNL_ACTION_DROP;
361
362                         filter->add_fltr.rule_cfg.action_set.count = ++number;
363                         break;
364
365                 case RTE_FLOW_ACTION_TYPE_QUEUE:
366                         dest_num++;
367
368                         act_q = actions->conf;
369                         filter_action = &filter->add_fltr.rule_cfg.action_set.actions[number];
370
371                         filter_action->type = VIRTCHNL_ACTION_QUEUE;
372                         filter_action->act_conf.queue.index = act_q->index;
373
374                         if (filter_action->act_conf.queue.index >=
375                                 ad->eth_dev->data->nb_rx_queues) {
376                                 rte_flow_error_set(error, EINVAL,
377                                         RTE_FLOW_ERROR_TYPE_ACTION,
378                                         actions, "Invalid queue for FDIR.");
379                                 return -rte_errno;
380                         }
381
382                         filter->add_fltr.rule_cfg.action_set.count = ++number;
383                         break;
384
385                 case RTE_FLOW_ACTION_TYPE_RSS:
386                         dest_num++;
387
388                         filter_action = &filter->add_fltr.rule_cfg.action_set.actions[number];
389
390                         filter_action->type = VIRTCHNL_ACTION_Q_REGION;
391
392                         ret = iavf_fdir_parse_action_qregion(ad,
393                                                 error, actions, filter_action);
394                         if (ret)
395                                 return ret;
396
397                         filter->add_fltr.rule_cfg.action_set.count = ++number;
398                         break;
399
400                 case RTE_FLOW_ACTION_TYPE_MARK:
401                         mark_num++;
402
403                         filter->mark_flag = 1;
404                         mark_spec = actions->conf;
405                         filter_action = &filter->add_fltr.rule_cfg.action_set.actions[number];
406
407                         filter_action->type = VIRTCHNL_ACTION_MARK;
408                         filter_action->act_conf.mark_id = mark_spec->id;
409
410                         filter->add_fltr.rule_cfg.action_set.count = ++number;
411                         break;
412
413                 default:
414                         rte_flow_error_set(error, EINVAL,
415                                         RTE_FLOW_ERROR_TYPE_ACTION, actions,
416                                         "Invalid action.");
417                         return -rte_errno;
418                 }
419         }
420
421         if (number > VIRTCHNL_MAX_NUM_ACTIONS) {
422                 rte_flow_error_set(error, EINVAL,
423                         RTE_FLOW_ERROR_TYPE_ACTION, actions,
424                         "Action numbers exceed the maximum value");
425                 return -rte_errno;
426         }
427
428         if (dest_num >= 2) {
429                 rte_flow_error_set(error, EINVAL,
430                         RTE_FLOW_ERROR_TYPE_ACTION, actions,
431                         "Unsupported action combination");
432                 return -rte_errno;
433         }
434
435         if (mark_num >= 2) {
436                 rte_flow_error_set(error, EINVAL,
437                         RTE_FLOW_ERROR_TYPE_ACTION, actions,
438                         "Too many mark actions");
439                 return -rte_errno;
440         }
441
442         if (dest_num + mark_num == 0) {
443                 rte_flow_error_set(error, EINVAL,
444                         RTE_FLOW_ERROR_TYPE_ACTION, actions,
445                         "Empty action");
446                 return -rte_errno;
447         }
448
449         /* Mark only is equal to mark + passthru. */
450         if (dest_num == 0) {
451                 filter_action = &filter->add_fltr.rule_cfg.action_set.actions[number];
452                 filter_action->type = VIRTCHNL_ACTION_PASSTHRU;
453                 filter->add_fltr.rule_cfg.action_set.count = ++number;
454         }
455
456         return 0;
457 }
458
459 static int
460 iavf_fdir_parse_pattern(__rte_unused struct iavf_adapter *ad,
461                         const struct rte_flow_item pattern[],
462                         struct rte_flow_error *error,
463                         struct iavf_fdir_conf *filter)
464 {
465         const struct rte_flow_item *item = pattern;
466         enum rte_flow_item_type item_type;
467         enum rte_flow_item_type l3 = RTE_FLOW_ITEM_TYPE_END;
468         const struct rte_flow_item_eth *eth_spec, *eth_mask;
469         const struct rte_flow_item_ipv4 *ipv4_spec, *ipv4_mask;
470         const struct rte_flow_item_ipv6 *ipv6_spec, *ipv6_mask;
471         const struct rte_flow_item_udp *udp_spec, *udp_mask;
472         const struct rte_flow_item_tcp *tcp_spec, *tcp_mask;
473         const struct rte_flow_item_sctp *sctp_spec, *sctp_mask;
474         const struct rte_flow_item_gtp *gtp_spec, *gtp_mask;
475         const struct rte_flow_item_gtp_psc *gtp_psc_spec, *gtp_psc_mask;
476         const struct rte_flow_item_l2tpv3oip *l2tpv3oip_spec, *l2tpv3oip_mask;
477         const struct rte_flow_item_esp *esp_spec, *esp_mask;
478         const struct rte_flow_item_ah *ah_spec, *ah_mask;
479         const struct rte_flow_item_pfcp *pfcp_spec, *pfcp_mask;
480         const struct rte_flow_item_ecpri *ecpri_spec, *ecpri_mask;
481         struct rte_ecpri_common_hdr ecpri_common;
482         uint64_t input_set = IAVF_INSET_NONE;
483
484         enum rte_flow_item_type next_type;
485         uint16_t ether_type;
486
487         int layer = 0;
488         struct virtchnl_proto_hdr *hdr;
489
490         uint8_t  ipv6_addr_mask[16] = {
491                 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
492                 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
493         };
494
495         for (item = pattern; item->type != RTE_FLOW_ITEM_TYPE_END; item++) {
496                 if (item->last) {
497                         rte_flow_error_set(error, EINVAL,
498                                         RTE_FLOW_ERROR_TYPE_ITEM, item,
499                                         "Not support range");
500                 }
501
502                 item_type = item->type;
503
504                 switch (item_type) {
505                 case RTE_FLOW_ITEM_TYPE_ETH:
506                         eth_spec = item->spec;
507                         eth_mask = item->mask;
508                         next_type = (item + 1)->type;
509
510                         hdr = &filter->add_fltr.rule_cfg.proto_hdrs.proto_hdr[layer];
511
512                         VIRTCHNL_SET_PROTO_HDR_TYPE(hdr, ETH);
513
514                         if (next_type == RTE_FLOW_ITEM_TYPE_END &&
515                                 (!eth_spec || !eth_mask)) {
516                                 rte_flow_error_set(error, EINVAL,
517                                                 RTE_FLOW_ERROR_TYPE_ITEM,
518                                                 item, "NULL eth spec/mask.");
519                                 return -rte_errno;
520                         }
521
522                         if (eth_spec && eth_mask) {
523                                 if (!rte_is_zero_ether_addr(&eth_mask->src) ||
524                                     !rte_is_zero_ether_addr(&eth_mask->dst)) {
525                                         rte_flow_error_set(error, EINVAL,
526                                                 RTE_FLOW_ERROR_TYPE_ITEM, item,
527                                                 "Invalid MAC_addr mask.");
528                                         return -rte_errno;
529                                 }
530                         }
531
532                         if (eth_spec && eth_mask && eth_mask->type) {
533                                 if (eth_mask->type != RTE_BE16(0xffff)) {
534                                         rte_flow_error_set(error, EINVAL,
535                                                 RTE_FLOW_ERROR_TYPE_ITEM,
536                                                 item, "Invalid type mask.");
537                                         return -rte_errno;
538                                 }
539
540                                 ether_type = rte_be_to_cpu_16(eth_spec->type);
541                                 if (ether_type == RTE_ETHER_TYPE_IPV4 ||
542                                         ether_type == RTE_ETHER_TYPE_IPV6) {
543                                         rte_flow_error_set(error, EINVAL,
544                                                 RTE_FLOW_ERROR_TYPE_ITEM,
545                                                 item,
546                                                 "Unsupported ether_type.");
547                                         return -rte_errno;
548                                 }
549
550                                 input_set |= IAVF_INSET_ETHERTYPE;
551                                 VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, ETH, ETHERTYPE);
552
553                                 rte_memcpy(hdr->buffer,
554                                         eth_spec, sizeof(struct rte_ether_hdr));
555                         }
556
557                         filter->add_fltr.rule_cfg.proto_hdrs.count = ++layer;
558                         break;
559
560                 case RTE_FLOW_ITEM_TYPE_IPV4:
561                         l3 = RTE_FLOW_ITEM_TYPE_IPV4;
562                         ipv4_spec = item->spec;
563                         ipv4_mask = item->mask;
564
565                         hdr = &filter->add_fltr.rule_cfg.proto_hdrs.proto_hdr[layer];
566
567                         VIRTCHNL_SET_PROTO_HDR_TYPE(hdr, IPV4);
568
569                         if (ipv4_spec && ipv4_mask) {
570                                 if (ipv4_mask->hdr.version_ihl ||
571                                         ipv4_mask->hdr.total_length ||
572                                         ipv4_mask->hdr.packet_id ||
573                                         ipv4_mask->hdr.fragment_offset ||
574                                         ipv4_mask->hdr.hdr_checksum) {
575                                         rte_flow_error_set(error, EINVAL,
576                                                 RTE_FLOW_ERROR_TYPE_ITEM,
577                                                 item, "Invalid IPv4 mask.");
578                                         return -rte_errno;
579                                 }
580
581                                 if (ipv4_mask->hdr.type_of_service ==
582                                                                 UINT8_MAX) {
583                                         input_set |= IAVF_INSET_IPV4_TOS;
584                                         VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, IPV4, DSCP);
585                                 }
586                                 if (ipv4_mask->hdr.next_proto_id == UINT8_MAX) {
587                                         input_set |= IAVF_INSET_IPV4_PROTO;
588                                         VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, IPV4, PROT);
589                                 }
590                                 if (ipv4_mask->hdr.time_to_live == UINT8_MAX) {
591                                         input_set |= IAVF_INSET_IPV4_TTL;
592                                         VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, IPV4, TTL);
593                                 }
594                                 if (ipv4_mask->hdr.src_addr == UINT32_MAX) {
595                                         input_set |= IAVF_INSET_IPV4_SRC;
596                                         VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, IPV4, SRC);
597                                 }
598                                 if (ipv4_mask->hdr.dst_addr == UINT32_MAX) {
599                                         input_set |= IAVF_INSET_IPV4_DST;
600                                         VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, IPV4, DST);
601                                 }
602
603                                 rte_memcpy(hdr->buffer,
604                                         &ipv4_spec->hdr,
605                                         sizeof(ipv4_spec->hdr));
606                         }
607
608                         filter->add_fltr.rule_cfg.proto_hdrs.count = ++layer;
609                         break;
610
611                 case RTE_FLOW_ITEM_TYPE_IPV6:
612                         l3 = RTE_FLOW_ITEM_TYPE_IPV6;
613                         ipv6_spec = item->spec;
614                         ipv6_mask = item->mask;
615
616                         hdr = &filter->add_fltr.rule_cfg.proto_hdrs.proto_hdr[layer];
617
618                         VIRTCHNL_SET_PROTO_HDR_TYPE(hdr, IPV6);
619
620                         if (ipv6_spec && ipv6_mask) {
621                                 if (ipv6_mask->hdr.payload_len) {
622                                         rte_flow_error_set(error, EINVAL,
623                                                 RTE_FLOW_ERROR_TYPE_ITEM,
624                                                 item, "Invalid IPv6 mask");
625                                         return -rte_errno;
626                                 }
627
628                                 if ((ipv6_mask->hdr.vtc_flow &
629                                         rte_cpu_to_be_32(IAVF_IPV6_TC_MASK))
630                                         == rte_cpu_to_be_32(IAVF_IPV6_TC_MASK)) {
631                                         input_set |= IAVF_INSET_IPV6_TC;
632                                         VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, IPV6, TC);
633                                 }
634                                 if (ipv6_mask->hdr.proto == UINT8_MAX) {
635                                         input_set |= IAVF_INSET_IPV6_NEXT_HDR;
636                                         VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, IPV6, PROT);
637                                 }
638                                 if (ipv6_mask->hdr.hop_limits == UINT8_MAX) {
639                                         input_set |= IAVF_INSET_IPV6_HOP_LIMIT;
640                                         VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, IPV6, HOP_LIMIT);
641                                 }
642                                 if (!memcmp(ipv6_mask->hdr.src_addr,
643                                         ipv6_addr_mask,
644                                         RTE_DIM(ipv6_mask->hdr.src_addr))) {
645                                         input_set |= IAVF_INSET_IPV6_SRC;
646                                         VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, IPV6, SRC);
647                                 }
648                                 if (!memcmp(ipv6_mask->hdr.dst_addr,
649                                         ipv6_addr_mask,
650                                         RTE_DIM(ipv6_mask->hdr.dst_addr))) {
651                                         input_set |= IAVF_INSET_IPV6_DST;
652                                         VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, IPV6, DST);
653                                 }
654
655                                 rte_memcpy(hdr->buffer,
656                                         &ipv6_spec->hdr,
657                                         sizeof(ipv6_spec->hdr));
658                         }
659
660                         filter->add_fltr.rule_cfg.proto_hdrs.count = ++layer;
661                         break;
662
663                 case RTE_FLOW_ITEM_TYPE_UDP:
664                         udp_spec = item->spec;
665                         udp_mask = item->mask;
666
667                         hdr = &filter->add_fltr.rule_cfg.proto_hdrs.proto_hdr[layer];
668
669                         VIRTCHNL_SET_PROTO_HDR_TYPE(hdr, UDP);
670
671                         if (udp_spec && udp_mask) {
672                                 if (udp_mask->hdr.dgram_len ||
673                                         udp_mask->hdr.dgram_cksum) {
674                                         rte_flow_error_set(error, EINVAL,
675                                                 RTE_FLOW_ERROR_TYPE_ITEM, item,
676                                                 "Invalid UDP mask");
677                                         return -rte_errno;
678                                 }
679
680                                 if (udp_mask->hdr.src_port == UINT16_MAX) {
681                                         input_set |= IAVF_INSET_UDP_SRC_PORT;
682                                         VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, UDP, SRC_PORT);
683                                 }
684                                 if (udp_mask->hdr.dst_port == UINT16_MAX) {
685                                         input_set |= IAVF_INSET_UDP_DST_PORT;
686                                         VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, UDP, DST_PORT);
687                                 }
688
689                                 if (l3 == RTE_FLOW_ITEM_TYPE_IPV4)
690                                         rte_memcpy(hdr->buffer,
691                                                 &udp_spec->hdr,
692                                                 sizeof(udp_spec->hdr));
693                                 else if (l3 == RTE_FLOW_ITEM_TYPE_IPV6)
694                                         rte_memcpy(hdr->buffer,
695                                                 &udp_spec->hdr,
696                                                 sizeof(udp_spec->hdr));
697                         }
698
699                         filter->add_fltr.rule_cfg.proto_hdrs.count = ++layer;
700                         break;
701
702                 case RTE_FLOW_ITEM_TYPE_TCP:
703                         tcp_spec = item->spec;
704                         tcp_mask = item->mask;
705
706                         hdr = &filter->add_fltr.rule_cfg.proto_hdrs.proto_hdr[layer];
707
708                         VIRTCHNL_SET_PROTO_HDR_TYPE(hdr, TCP);
709
710                         if (tcp_spec && tcp_mask) {
711                                 if (tcp_mask->hdr.sent_seq ||
712                                         tcp_mask->hdr.recv_ack ||
713                                         tcp_mask->hdr.data_off ||
714                                         tcp_mask->hdr.tcp_flags ||
715                                         tcp_mask->hdr.rx_win ||
716                                         tcp_mask->hdr.cksum ||
717                                         tcp_mask->hdr.tcp_urp) {
718                                         rte_flow_error_set(error, EINVAL,
719                                                 RTE_FLOW_ERROR_TYPE_ITEM, item,
720                                                 "Invalid TCP mask");
721                                         return -rte_errno;
722                                 }
723
724                                 if (tcp_mask->hdr.src_port == UINT16_MAX) {
725                                         input_set |= IAVF_INSET_TCP_SRC_PORT;
726                                         VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, TCP, SRC_PORT);
727                                 }
728                                 if (tcp_mask->hdr.dst_port == UINT16_MAX) {
729                                         input_set |= IAVF_INSET_TCP_DST_PORT;
730                                         VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, TCP, DST_PORT);
731                                 }
732
733                                 if (l3 == RTE_FLOW_ITEM_TYPE_IPV4)
734                                         rte_memcpy(hdr->buffer,
735                                                 &tcp_spec->hdr,
736                                                 sizeof(tcp_spec->hdr));
737                                 else if (l3 == RTE_FLOW_ITEM_TYPE_IPV6)
738                                         rte_memcpy(hdr->buffer,
739                                                 &tcp_spec->hdr,
740                                                 sizeof(tcp_spec->hdr));
741                         }
742
743                         filter->add_fltr.rule_cfg.proto_hdrs.count = ++layer;
744                         break;
745
746                 case RTE_FLOW_ITEM_TYPE_SCTP:
747                         sctp_spec = item->spec;
748                         sctp_mask = item->mask;
749
750                         hdr = &filter->add_fltr.rule_cfg.proto_hdrs.proto_hdr[layer];
751
752                         VIRTCHNL_SET_PROTO_HDR_TYPE(hdr, SCTP);
753
754                         if (sctp_spec && sctp_mask) {
755                                 if (sctp_mask->hdr.cksum) {
756                                         rte_flow_error_set(error, EINVAL,
757                                                 RTE_FLOW_ERROR_TYPE_ITEM, item,
758                                                 "Invalid UDP mask");
759                                         return -rte_errno;
760                                 }
761
762                                 if (sctp_mask->hdr.src_port == UINT16_MAX) {
763                                         input_set |= IAVF_INSET_SCTP_SRC_PORT;
764                                         VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, SCTP, SRC_PORT);
765                                 }
766                                 if (sctp_mask->hdr.dst_port == UINT16_MAX) {
767                                         input_set |= IAVF_INSET_SCTP_DST_PORT;
768                                         VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, SCTP, DST_PORT);
769                                 }
770
771                                 if (l3 == RTE_FLOW_ITEM_TYPE_IPV4)
772                                         rte_memcpy(hdr->buffer,
773                                                 &sctp_spec->hdr,
774                                                 sizeof(sctp_spec->hdr));
775                                 else if (l3 == RTE_FLOW_ITEM_TYPE_IPV6)
776                                         rte_memcpy(hdr->buffer,
777                                                 &sctp_spec->hdr,
778                                                 sizeof(sctp_spec->hdr));
779                         }
780
781                         filter->add_fltr.rule_cfg.proto_hdrs.count = ++layer;
782                         break;
783
784                 case RTE_FLOW_ITEM_TYPE_GTPU:
785                         gtp_spec = item->spec;
786                         gtp_mask = item->mask;
787
788                         hdr = &filter->add_fltr.rule_cfg.proto_hdrs.proto_hdr[layer];
789
790                         VIRTCHNL_SET_PROTO_HDR_TYPE(hdr, GTPU_IP);
791
792                         if (gtp_spec && gtp_mask) {
793                                 if (gtp_mask->v_pt_rsv_flags ||
794                                         gtp_mask->msg_type ||
795                                         gtp_mask->msg_len) {
796                                         rte_flow_error_set(error, EINVAL,
797                                                 RTE_FLOW_ERROR_TYPE_ITEM,
798                                                 item, "Invalid GTP mask");
799                                         return -rte_errno;
800                                 }
801
802                                 if (gtp_mask->teid == UINT32_MAX) {
803                                         input_set |= IAVF_INSET_GTPU_TEID;
804                                         VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, GTPU_IP, TEID);
805                                 }
806
807                                 rte_memcpy(hdr->buffer,
808                                         gtp_spec, sizeof(*gtp_spec));
809                         }
810
811                         filter->add_fltr.rule_cfg.proto_hdrs.count = ++layer;
812                         break;
813
814                 case RTE_FLOW_ITEM_TYPE_GTP_PSC:
815                         gtp_psc_spec = item->spec;
816                         gtp_psc_mask = item->mask;
817
818                         hdr = &filter->add_fltr.rule_cfg.proto_hdrs.proto_hdr[layer];
819
820                         if (!gtp_psc_spec)
821                                 VIRTCHNL_SET_PROTO_HDR_TYPE(hdr, GTPU_EH);
822                         else if ((gtp_psc_mask->qfi) && !(gtp_psc_mask->pdu_type))
823                                 VIRTCHNL_SET_PROTO_HDR_TYPE(hdr, GTPU_EH);
824                         else if (gtp_psc_spec->pdu_type == IAVF_GTPU_EH_UPLINK)
825                                 VIRTCHNL_SET_PROTO_HDR_TYPE(hdr, GTPU_EH_PDU_UP);
826                         else if (gtp_psc_spec->pdu_type == IAVF_GTPU_EH_DWLINK)
827                                 VIRTCHNL_SET_PROTO_HDR_TYPE(hdr, GTPU_EH_PDU_DWN);
828
829                         if (gtp_psc_spec && gtp_psc_mask) {
830                                 if (gtp_psc_mask->qfi == UINT8_MAX) {
831                                         input_set |= IAVF_INSET_GTPU_QFI;
832                                         VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, GTPU_EH, QFI);
833                                 }
834
835                                 rte_memcpy(hdr->buffer, gtp_psc_spec,
836                                         sizeof(*gtp_psc_spec));
837                         }
838
839                         filter->add_fltr.rule_cfg.proto_hdrs.count = ++layer;
840                         break;
841
842                 case RTE_FLOW_ITEM_TYPE_L2TPV3OIP:
843                         l2tpv3oip_spec = item->spec;
844                         l2tpv3oip_mask = item->mask;
845
846                         hdr = &filter->add_fltr.rule_cfg.proto_hdrs.proto_hdr[layer];
847
848                         VIRTCHNL_SET_PROTO_HDR_TYPE(hdr, L2TPV3);
849
850                         if (l2tpv3oip_spec && l2tpv3oip_mask) {
851                                 if (l2tpv3oip_mask->session_id == UINT32_MAX) {
852                                         input_set |= IAVF_L2TPV3OIP_SESSION_ID;
853                                         VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, L2TPV3, SESS_ID);
854                                 }
855
856                                 rte_memcpy(hdr->buffer, l2tpv3oip_spec,
857                                         sizeof(*l2tpv3oip_spec));
858                         }
859
860                         filter->add_fltr.rule_cfg.proto_hdrs.count = ++layer;
861                         break;
862
863                 case RTE_FLOW_ITEM_TYPE_ESP:
864                         esp_spec = item->spec;
865                         esp_mask = item->mask;
866
867                         hdr = &filter->add_fltr.rule_cfg.proto_hdrs.proto_hdr[layer];
868
869                         VIRTCHNL_SET_PROTO_HDR_TYPE(hdr, ESP);
870
871                         if (esp_spec && esp_mask) {
872                                 if (esp_mask->hdr.spi == UINT32_MAX) {
873                                         input_set |= IAVF_INSET_ESP_SPI;
874                                         VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, ESP, SPI);
875                                 }
876
877                                 rte_memcpy(hdr->buffer, &esp_spec->hdr,
878                                         sizeof(esp_spec->hdr));
879                         }
880
881                         filter->add_fltr.rule_cfg.proto_hdrs.count = ++layer;
882                         break;
883
884                 case RTE_FLOW_ITEM_TYPE_AH:
885                         ah_spec = item->spec;
886                         ah_mask = item->mask;
887
888                         hdr = &filter->add_fltr.rule_cfg.proto_hdrs.proto_hdr[layer];
889
890                         VIRTCHNL_SET_PROTO_HDR_TYPE(hdr, AH);
891
892                         if (ah_spec && ah_mask) {
893                                 if (ah_mask->spi == UINT32_MAX) {
894                                         input_set |= IAVF_INSET_AH_SPI;
895                                         VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, AH, SPI);
896                                 }
897
898                                 rte_memcpy(hdr->buffer, ah_spec,
899                                         sizeof(*ah_spec));
900                         }
901
902                         filter->add_fltr.rule_cfg.proto_hdrs.count = ++layer;
903                         break;
904
905                 case RTE_FLOW_ITEM_TYPE_PFCP:
906                         pfcp_spec = item->spec;
907                         pfcp_mask = item->mask;
908
909                         hdr = &filter->add_fltr.rule_cfg.proto_hdrs.proto_hdr[layer];
910
911                         VIRTCHNL_SET_PROTO_HDR_TYPE(hdr, PFCP);
912
913                         if (pfcp_spec && pfcp_mask) {
914                                 if (pfcp_mask->s_field == UINT8_MAX) {
915                                         input_set |= IAVF_INSET_PFCP_S_FIELD;
916                                         VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, PFCP, S_FIELD);
917                                 }
918
919                                 rte_memcpy(hdr->buffer, pfcp_spec,
920                                         sizeof(*pfcp_spec));
921                         }
922
923                         filter->add_fltr.rule_cfg.proto_hdrs.count = ++layer;
924                         break;
925
926                 case RTE_FLOW_ITEM_TYPE_ECPRI:
927                         ecpri_spec = item->spec;
928                         ecpri_mask = item->mask;
929
930                         ecpri_common.u32 = rte_be_to_cpu_32(ecpri_spec->hdr.common.u32);
931
932                         hdr = &filter->add_fltr.rule_cfg.proto_hdrs.proto_hdr[layer];
933
934                         VIRTCHNL_SET_PROTO_HDR_TYPE(hdr, ECPRI);
935
936                         if (ecpri_spec && ecpri_mask) {
937                                 if (ecpri_common.type == RTE_ECPRI_MSG_TYPE_IQ_DATA &&
938                                                 ecpri_mask->hdr.type0.pc_id == UINT16_MAX) {
939                                         input_set |= IAVF_ECPRI_PC_RTC_ID;
940                                         VIRTCHNL_ADD_PROTO_HDR_FIELD_BIT(hdr, ECPRI,
941                                                                          PC_RTC_ID);
942                                 }
943
944                                 rte_memcpy(hdr->buffer, ecpri_spec,
945                                         sizeof(*ecpri_spec));
946                         }
947
948                         filter->add_fltr.rule_cfg.proto_hdrs.count = ++layer;
949                         break;
950
951                 case RTE_FLOW_ITEM_TYPE_VOID:
952                         break;
953
954                 default:
955                         rte_flow_error_set(error, EINVAL,
956                                         RTE_FLOW_ERROR_TYPE_ITEM, item,
957                                         "Invalid pattern item.");
958                         return -rte_errno;
959                 }
960         }
961
962         if (layer > VIRTCHNL_MAX_NUM_PROTO_HDRS) {
963                 rte_flow_error_set(error, EINVAL,
964                         RTE_FLOW_ERROR_TYPE_ITEM, item,
965                         "Protocol header layers exceed the maximum value");
966                 return -rte_errno;
967         }
968
969         filter->input_set = input_set;
970
971         return 0;
972 }
973
974 static int
975 iavf_fdir_parse(struct iavf_adapter *ad,
976                 struct iavf_pattern_match_item *array,
977                 uint32_t array_len,
978                 const struct rte_flow_item pattern[],
979                 const struct rte_flow_action actions[],
980                 void **meta,
981                 struct rte_flow_error *error)
982 {
983         struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(ad);
984         struct iavf_fdir_conf *filter = &vf->fdir.conf;
985         struct iavf_pattern_match_item *item = NULL;
986         uint64_t input_set;
987         int ret;
988
989         memset(filter, 0, sizeof(*filter));
990
991         item = iavf_search_pattern_match_item(pattern, array, array_len, error);
992         if (!item)
993                 return -rte_errno;
994
995         ret = iavf_fdir_parse_pattern(ad, pattern, error, filter);
996         if (ret)
997                 goto error;
998
999         input_set = filter->input_set;
1000         if (!input_set || input_set & ~item->input_set_mask) {
1001                 rte_flow_error_set(error, EINVAL,
1002                                 RTE_FLOW_ERROR_TYPE_ITEM_SPEC, pattern,
1003                                 "Invalid input set");
1004                 ret = -rte_errno;
1005                 goto error;
1006         }
1007
1008         ret = iavf_fdir_parse_action(ad, actions, error, filter);
1009         if (ret)
1010                 goto error;
1011
1012         if (meta)
1013                 *meta = filter;
1014
1015 error:
1016         rte_free(item);
1017         return ret;
1018 }
1019
1020 static struct iavf_flow_parser iavf_fdir_parser = {
1021         .engine = &iavf_fdir_engine,
1022         .array = iavf_fdir_pattern,
1023         .array_len = RTE_DIM(iavf_fdir_pattern),
1024         .parse_pattern_action = iavf_fdir_parse,
1025         .stage = IAVF_FLOW_STAGE_DISTRIBUTOR,
1026 };
1027
1028 RTE_INIT(iavf_fdir_engine_register)
1029 {
1030         iavf_register_flow_engine(&iavf_fdir_engine);
1031 }