net/ice: merge inner/outer seg info for flow director
[dpdk.git] / drivers / net / ice / ice_fdir_filter.c
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright(c) 2019 Intel Corporation
3  */
4
5 #include <stdio.h>
6 #include <rte_flow.h>
7 #include <rte_hash.h>
8 #include <rte_hash_crc.h>
9 #include "base/ice_fdir.h"
10 #include "base/ice_flow.h"
11 #include "base/ice_type.h"
12 #include "ice_ethdev.h"
13 #include "ice_rxtx.h"
14 #include "ice_generic_flow.h"
15
16 #define ICE_FDIR_IPV6_TC_OFFSET         20
17 #define ICE_IPV6_TC_MASK                (0xFF << ICE_FDIR_IPV6_TC_OFFSET)
18
19 #define ICE_FDIR_MAX_QREGION_SIZE       128
20
21 #define ICE_FDIR_INSET_ETH (\
22         ICE_INSET_DMAC | ICE_INSET_SMAC | ICE_INSET_ETHERTYPE)
23
24 #define ICE_FDIR_INSET_ETH_IPV4 (\
25         ICE_FDIR_INSET_ETH | \
26         ICE_INSET_IPV4_SRC | ICE_INSET_IPV4_DST | ICE_INSET_IPV4_TOS | \
27         ICE_INSET_IPV4_TTL | ICE_INSET_IPV4_PROTO)
28
29 #define ICE_FDIR_INSET_ETH_IPV4_UDP (\
30         ICE_FDIR_INSET_ETH_IPV4 | \
31         ICE_INSET_UDP_SRC_PORT | ICE_INSET_UDP_DST_PORT)
32
33 #define ICE_FDIR_INSET_ETH_IPV4_TCP (\
34         ICE_FDIR_INSET_ETH_IPV4 | \
35         ICE_INSET_TCP_SRC_PORT | ICE_INSET_TCP_DST_PORT)
36
37 #define ICE_FDIR_INSET_ETH_IPV4_SCTP (\
38         ICE_FDIR_INSET_ETH_IPV4 | \
39         ICE_INSET_SCTP_SRC_PORT | ICE_INSET_SCTP_DST_PORT)
40
41 #define ICE_FDIR_INSET_ETH_IPV6 (\
42         ICE_INSET_DMAC | \
43         ICE_INSET_IPV6_SRC | ICE_INSET_IPV6_DST | ICE_INSET_IPV6_TC | \
44         ICE_INSET_IPV6_HOP_LIMIT | ICE_INSET_IPV6_NEXT_HDR)
45
46 #define ICE_FDIR_INSET_ETH_IPV6_UDP (\
47         ICE_FDIR_INSET_ETH_IPV6 | \
48         ICE_INSET_UDP_SRC_PORT | ICE_INSET_UDP_DST_PORT)
49
50 #define ICE_FDIR_INSET_ETH_IPV6_TCP (\
51         ICE_FDIR_INSET_ETH_IPV6 | \
52         ICE_INSET_TCP_SRC_PORT | ICE_INSET_TCP_DST_PORT)
53
54 #define ICE_FDIR_INSET_ETH_IPV6_SCTP (\
55         ICE_FDIR_INSET_ETH_IPV6 | \
56         ICE_INSET_SCTP_SRC_PORT | ICE_INSET_SCTP_DST_PORT)
57
58 #define ICE_FDIR_INSET_VXLAN_IPV4 (\
59         ICE_INSET_TUN_IPV4_SRC | ICE_INSET_TUN_IPV4_DST)
60
61 #define ICE_FDIR_INSET_VXLAN_IPV4_TCP (\
62         ICE_FDIR_INSET_VXLAN_IPV4 | \
63         ICE_INSET_TUN_TCP_SRC_PORT | ICE_INSET_TUN_TCP_DST_PORT)
64
65 #define ICE_FDIR_INSET_VXLAN_IPV4_UDP (\
66         ICE_FDIR_INSET_VXLAN_IPV4 | \
67         ICE_INSET_TUN_UDP_SRC_PORT | ICE_INSET_TUN_UDP_DST_PORT)
68
69 #define ICE_FDIR_INSET_VXLAN_IPV4_SCTP (\
70         ICE_FDIR_INSET_VXLAN_IPV4 | \
71         ICE_INSET_TUN_SCTP_SRC_PORT | ICE_INSET_TUN_SCTP_DST_PORT)
72
73 #define ICE_FDIR_INSET_IPV4_GTPU (\
74         ICE_INSET_IPV4_SRC | ICE_INSET_IPV4_DST | ICE_INSET_GTPU_TEID)
75
76 #define ICE_FDIR_INSET_IPV4_GTPU_EH (\
77         ICE_INSET_IPV4_SRC | ICE_INSET_IPV4_DST | \
78         ICE_INSET_GTPU_TEID | ICE_INSET_GTPU_QFI)
79
80 #define ICE_FDIR_INSET_IPV6_GTPU (\
81         ICE_INSET_IPV6_SRC | ICE_INSET_IPV6_DST | ICE_INSET_GTPU_TEID)
82
83 #define ICE_FDIR_INSET_IPV6_GTPU_EH (\
84         ICE_INSET_IPV6_SRC | ICE_INSET_IPV6_DST | \
85         ICE_INSET_GTPU_TEID | ICE_INSET_GTPU_QFI)
86
87 static struct ice_pattern_match_item ice_fdir_pattern_os[] = {
88         {pattern_eth_ipv4,             ICE_FDIR_INSET_ETH_IPV4,              ICE_INSET_NONE},
89         {pattern_eth_ipv4_udp,         ICE_FDIR_INSET_ETH_IPV4_UDP,          ICE_INSET_NONE},
90         {pattern_eth_ipv4_tcp,         ICE_FDIR_INSET_ETH_IPV4_TCP,          ICE_INSET_NONE},
91         {pattern_eth_ipv4_sctp,        ICE_FDIR_INSET_ETH_IPV4_SCTP,         ICE_INSET_NONE},
92         {pattern_eth_ipv6,             ICE_FDIR_INSET_ETH_IPV6,              ICE_INSET_NONE},
93         {pattern_eth_ipv6_udp,         ICE_FDIR_INSET_ETH_IPV6_UDP,          ICE_INSET_NONE},
94         {pattern_eth_ipv6_tcp,         ICE_FDIR_INSET_ETH_IPV6_TCP,          ICE_INSET_NONE},
95         {pattern_eth_ipv6_sctp,        ICE_FDIR_INSET_ETH_IPV6_SCTP,         ICE_INSET_NONE},
96         {pattern_eth_ipv4_udp_vxlan_ipv4,
97                                        ICE_FDIR_INSET_VXLAN_IPV4,            ICE_INSET_NONE},
98         {pattern_eth_ipv4_udp_vxlan_ipv4_udp,
99                                        ICE_FDIR_INSET_VXLAN_IPV4_UDP,        ICE_INSET_NONE},
100         {pattern_eth_ipv4_udp_vxlan_ipv4_tcp,
101                                        ICE_FDIR_INSET_VXLAN_IPV4_TCP,        ICE_INSET_NONE},
102         {pattern_eth_ipv4_udp_vxlan_ipv4_sctp,
103                                        ICE_FDIR_INSET_VXLAN_IPV4_SCTP,       ICE_INSET_NONE},
104         {pattern_eth_ipv4_udp_vxlan_eth_ipv4,
105                                        ICE_FDIR_INSET_VXLAN_IPV4,            ICE_INSET_NONE},
106         {pattern_eth_ipv4_udp_vxlan_eth_ipv4_udp,
107                                        ICE_FDIR_INSET_VXLAN_IPV4_UDP,        ICE_INSET_NONE},
108         {pattern_eth_ipv4_udp_vxlan_eth_ipv4_tcp,
109                                        ICE_FDIR_INSET_VXLAN_IPV4_TCP,        ICE_INSET_NONE},
110         {pattern_eth_ipv4_udp_vxlan_eth_ipv4_sctp,
111                                        ICE_FDIR_INSET_VXLAN_IPV4_SCTP,       ICE_INSET_NONE},
112 };
113
114 static struct ice_pattern_match_item ice_fdir_pattern_comms[] = {
115         {pattern_ethertype,            ICE_FDIR_INSET_ETH,                   ICE_INSET_NONE},
116         {pattern_eth_ipv4,             ICE_FDIR_INSET_ETH_IPV4,              ICE_INSET_NONE},
117         {pattern_eth_ipv4_udp,         ICE_FDIR_INSET_ETH_IPV4_UDP,          ICE_INSET_NONE},
118         {pattern_eth_ipv4_tcp,         ICE_FDIR_INSET_ETH_IPV4_TCP,          ICE_INSET_NONE},
119         {pattern_eth_ipv4_sctp,        ICE_FDIR_INSET_ETH_IPV4_SCTP,         ICE_INSET_NONE},
120         {pattern_eth_ipv6,             ICE_FDIR_INSET_ETH_IPV6,              ICE_INSET_NONE},
121         {pattern_eth_ipv6_udp,         ICE_FDIR_INSET_ETH_IPV6_UDP,          ICE_INSET_NONE},
122         {pattern_eth_ipv6_tcp,         ICE_FDIR_INSET_ETH_IPV6_TCP,          ICE_INSET_NONE},
123         {pattern_eth_ipv6_sctp,        ICE_FDIR_INSET_ETH_IPV6_SCTP,         ICE_INSET_NONE},
124         {pattern_eth_ipv4_udp_vxlan_ipv4,
125                                        ICE_FDIR_INSET_VXLAN_IPV4,            ICE_INSET_NONE},
126         {pattern_eth_ipv4_udp_vxlan_ipv4_udp,
127                                        ICE_FDIR_INSET_VXLAN_IPV4_UDP,        ICE_INSET_NONE},
128         {pattern_eth_ipv4_udp_vxlan_ipv4_tcp,
129                                        ICE_FDIR_INSET_VXLAN_IPV4_TCP,        ICE_INSET_NONE},
130         {pattern_eth_ipv4_udp_vxlan_ipv4_sctp,
131                                        ICE_FDIR_INSET_VXLAN_IPV4_SCTP,       ICE_INSET_NONE},
132         {pattern_eth_ipv4_udp_vxlan_eth_ipv4,
133                                        ICE_FDIR_INSET_VXLAN_IPV4,            ICE_INSET_NONE},
134         {pattern_eth_ipv4_udp_vxlan_eth_ipv4_udp,
135                                        ICE_FDIR_INSET_VXLAN_IPV4_UDP,        ICE_INSET_NONE},
136         {pattern_eth_ipv4_udp_vxlan_eth_ipv4_tcp,
137                                        ICE_FDIR_INSET_VXLAN_IPV4_TCP,        ICE_INSET_NONE},
138         {pattern_eth_ipv4_udp_vxlan_eth_ipv4_sctp,
139                                        ICE_FDIR_INSET_VXLAN_IPV4_SCTP,       ICE_INSET_NONE},
140         {pattern_eth_ipv4_gtpu,        ICE_FDIR_INSET_IPV4_GTPU,             ICE_INSET_NONE},
141         {pattern_eth_ipv4_gtpu_eh,     ICE_FDIR_INSET_IPV4_GTPU_EH,          ICE_INSET_NONE},
142         {pattern_eth_ipv6_gtpu,        ICE_FDIR_INSET_IPV6_GTPU,             ICE_INSET_NONE},
143         {pattern_eth_ipv6_gtpu_eh,     ICE_FDIR_INSET_IPV6_GTPU_EH,          ICE_INSET_NONE},
144 };
145
146 static struct ice_flow_parser ice_fdir_parser_os;
147 static struct ice_flow_parser ice_fdir_parser_comms;
148
149 static int
150 ice_fdir_is_tunnel_profile(enum ice_fdir_tunnel_type tunnel_type);
151
152 static const struct rte_memzone *
153 ice_memzone_reserve(const char *name, uint32_t len, int socket_id)
154 {
155         const struct rte_memzone *mz;
156
157         mz = rte_memzone_lookup(name);
158         if (mz)
159                 return mz;
160
161         return rte_memzone_reserve_aligned(name, len, socket_id,
162                                            RTE_MEMZONE_IOVA_CONTIG,
163                                            ICE_RING_BASE_ALIGN);
164 }
165
166 #define ICE_FDIR_MZ_NAME        "FDIR_MEMZONE"
167
168 static int
169 ice_fdir_prof_alloc(struct ice_hw *hw)
170 {
171         enum ice_fltr_ptype ptype, fltr_ptype;
172
173         if (!hw->fdir_prof) {
174                 hw->fdir_prof = (struct ice_fd_hw_prof **)
175                         ice_malloc(hw, ICE_FLTR_PTYPE_MAX *
176                                    sizeof(*hw->fdir_prof));
177                 if (!hw->fdir_prof)
178                         return -ENOMEM;
179         }
180         for (ptype = ICE_FLTR_PTYPE_NONF_NONE + 1;
181              ptype < ICE_FLTR_PTYPE_MAX;
182              ptype++) {
183                 if (!hw->fdir_prof[ptype]) {
184                         hw->fdir_prof[ptype] = (struct ice_fd_hw_prof *)
185                                 ice_malloc(hw, sizeof(**hw->fdir_prof));
186                         if (!hw->fdir_prof[ptype])
187                                 goto fail_mem;
188                 }
189         }
190         return 0;
191
192 fail_mem:
193         for (fltr_ptype = ICE_FLTR_PTYPE_NONF_NONE + 1;
194              fltr_ptype < ptype;
195              fltr_ptype++) {
196                 rte_free(hw->fdir_prof[fltr_ptype]);
197                 hw->fdir_prof[fltr_ptype] = NULL;
198         }
199
200         rte_free(hw->fdir_prof);
201         hw->fdir_prof = NULL;
202
203         return -ENOMEM;
204 }
205
206 static int
207 ice_fdir_counter_pool_add(__rte_unused struct ice_pf *pf,
208                           struct ice_fdir_counter_pool_container *container,
209                           uint32_t index_start,
210                           uint32_t len)
211 {
212         struct ice_fdir_counter_pool *pool;
213         uint32_t i;
214         int ret = 0;
215
216         pool = rte_zmalloc("ice_fdir_counter_pool",
217                            sizeof(*pool) +
218                            sizeof(struct ice_fdir_counter) * len,
219                            0);
220         if (!pool) {
221                 PMD_INIT_LOG(ERR,
222                              "Failed to allocate memory for fdir counter pool");
223                 return -ENOMEM;
224         }
225
226         TAILQ_INIT(&pool->counter_list);
227         TAILQ_INSERT_TAIL(&container->pool_list, pool, next);
228
229         for (i = 0; i < len; i++) {
230                 struct ice_fdir_counter *counter = &pool->counters[i];
231
232                 counter->hw_index = index_start + i;
233                 TAILQ_INSERT_TAIL(&pool->counter_list, counter, next);
234         }
235
236         if (container->index_free == ICE_FDIR_COUNTER_MAX_POOL_SIZE) {
237                 PMD_INIT_LOG(ERR, "FDIR counter pool is full");
238                 ret = -EINVAL;
239                 goto free_pool;
240         }
241
242         container->pools[container->index_free++] = pool;
243         return 0;
244
245 free_pool:
246         rte_free(pool);
247         return ret;
248 }
249
250 static int
251 ice_fdir_counter_init(struct ice_pf *pf)
252 {
253         struct ice_hw *hw = ICE_PF_TO_HW(pf);
254         struct ice_fdir_info *fdir_info = &pf->fdir;
255         struct ice_fdir_counter_pool_container *container =
256                                 &fdir_info->counter;
257         uint32_t cnt_index, len;
258         int ret;
259
260         TAILQ_INIT(&container->pool_list);
261
262         cnt_index = ICE_FDIR_COUNTER_INDEX(hw->fd_ctr_base);
263         len = ICE_FDIR_COUNTERS_PER_BLOCK;
264
265         ret = ice_fdir_counter_pool_add(pf, container, cnt_index, len);
266         if (ret) {
267                 PMD_INIT_LOG(ERR, "Failed to add fdir pool to container");
268                 return ret;
269         }
270
271         return 0;
272 }
273
274 static int
275 ice_fdir_counter_release(struct ice_pf *pf)
276 {
277         struct ice_fdir_info *fdir_info = &pf->fdir;
278         struct ice_fdir_counter_pool_container *container =
279                                 &fdir_info->counter;
280         uint8_t i;
281
282         for (i = 0; i < container->index_free; i++) {
283                 rte_free(container->pools[i]);
284                 container->pools[i] = NULL;
285         }
286
287         TAILQ_INIT(&container->pool_list);
288         container->index_free = 0;
289
290         return 0;
291 }
292
293 static struct ice_fdir_counter *
294 ice_fdir_counter_shared_search(struct ice_fdir_counter_pool_container
295                                         *container,
296                                uint32_t id)
297 {
298         struct ice_fdir_counter_pool *pool;
299         struct ice_fdir_counter *counter;
300         int i;
301
302         TAILQ_FOREACH(pool, &container->pool_list, next) {
303                 for (i = 0; i < ICE_FDIR_COUNTERS_PER_BLOCK; i++) {
304                         counter = &pool->counters[i];
305
306                         if (counter->shared &&
307                             counter->ref_cnt &&
308                             counter->id == id)
309                                 return counter;
310                 }
311         }
312
313         return NULL;
314 }
315
316 static struct ice_fdir_counter *
317 ice_fdir_counter_alloc(struct ice_pf *pf, uint32_t shared, uint32_t id)
318 {
319         struct ice_hw *hw = ICE_PF_TO_HW(pf);
320         struct ice_fdir_info *fdir_info = &pf->fdir;
321         struct ice_fdir_counter_pool_container *container =
322                                 &fdir_info->counter;
323         struct ice_fdir_counter_pool *pool = NULL;
324         struct ice_fdir_counter *counter_free = NULL;
325
326         if (shared) {
327                 counter_free = ice_fdir_counter_shared_search(container, id);
328                 if (counter_free) {
329                         if (counter_free->ref_cnt + 1 == 0) {
330                                 rte_errno = E2BIG;
331                                 return NULL;
332                         }
333                         counter_free->ref_cnt++;
334                         return counter_free;
335                 }
336         }
337
338         TAILQ_FOREACH(pool, &container->pool_list, next) {
339                 counter_free = TAILQ_FIRST(&pool->counter_list);
340                 if (counter_free)
341                         break;
342                 counter_free = NULL;
343         }
344
345         if (!counter_free) {
346                 PMD_DRV_LOG(ERR, "No free counter found\n");
347                 return NULL;
348         }
349
350         counter_free->shared = shared;
351         counter_free->id = id;
352         counter_free->ref_cnt = 1;
353         counter_free->pool = pool;
354
355         /* reset statistic counter value */
356         ICE_WRITE_REG(hw, GLSTAT_FD_CNT0H(counter_free->hw_index), 0);
357         ICE_WRITE_REG(hw, GLSTAT_FD_CNT0L(counter_free->hw_index), 0);
358
359         TAILQ_REMOVE(&pool->counter_list, counter_free, next);
360         if (TAILQ_EMPTY(&pool->counter_list)) {
361                 TAILQ_REMOVE(&container->pool_list, pool, next);
362                 TAILQ_INSERT_TAIL(&container->pool_list, pool, next);
363         }
364
365         return counter_free;
366 }
367
368 static void
369 ice_fdir_counter_free(__rte_unused struct ice_pf *pf,
370                       struct ice_fdir_counter *counter)
371 {
372         if (!counter)
373                 return;
374
375         if (--counter->ref_cnt == 0) {
376                 struct ice_fdir_counter_pool *pool = counter->pool;
377
378                 TAILQ_INSERT_TAIL(&pool->counter_list, counter, next);
379         }
380 }
381
382 static int
383 ice_fdir_init_filter_list(struct ice_pf *pf)
384 {
385         struct rte_eth_dev *dev = pf->adapter->eth_dev;
386         struct ice_fdir_info *fdir_info = &pf->fdir;
387         char fdir_hash_name[RTE_HASH_NAMESIZE];
388         int ret;
389
390         struct rte_hash_parameters fdir_hash_params = {
391                 .name = fdir_hash_name,
392                 .entries = ICE_MAX_FDIR_FILTER_NUM,
393                 .key_len = sizeof(struct ice_fdir_fltr_pattern),
394                 .hash_func = rte_hash_crc,
395                 .hash_func_init_val = 0,
396                 .socket_id = rte_socket_id(),
397                 .extra_flag = RTE_HASH_EXTRA_FLAGS_EXT_TABLE,
398         };
399
400         /* Initialize hash */
401         snprintf(fdir_hash_name, RTE_HASH_NAMESIZE,
402                  "fdir_%s", dev->device->name);
403         fdir_info->hash_table = rte_hash_create(&fdir_hash_params);
404         if (!fdir_info->hash_table) {
405                 PMD_INIT_LOG(ERR, "Failed to create fdir hash table!");
406                 return -EINVAL;
407         }
408         fdir_info->hash_map = rte_zmalloc("ice_fdir_hash_map",
409                                           sizeof(*fdir_info->hash_map) *
410                                           ICE_MAX_FDIR_FILTER_NUM,
411                                           0);
412         if (!fdir_info->hash_map) {
413                 PMD_INIT_LOG(ERR,
414                              "Failed to allocate memory for fdir hash map!");
415                 ret = -ENOMEM;
416                 goto err_fdir_hash_map_alloc;
417         }
418         return 0;
419
420 err_fdir_hash_map_alloc:
421         rte_hash_free(fdir_info->hash_table);
422
423         return ret;
424 }
425
426 static void
427 ice_fdir_release_filter_list(struct ice_pf *pf)
428 {
429         struct ice_fdir_info *fdir_info = &pf->fdir;
430
431         if (fdir_info->hash_map)
432                 rte_free(fdir_info->hash_map);
433         if (fdir_info->hash_table)
434                 rte_hash_free(fdir_info->hash_table);
435
436         fdir_info->hash_map = NULL;
437         fdir_info->hash_table = NULL;
438 }
439
440 /*
441  * ice_fdir_setup - reserve and initialize the Flow Director resources
442  * @pf: board private structure
443  */
444 static int
445 ice_fdir_setup(struct ice_pf *pf)
446 {
447         struct rte_eth_dev *eth_dev = pf->adapter->eth_dev;
448         struct ice_hw *hw = ICE_PF_TO_HW(pf);
449         const struct rte_memzone *mz = NULL;
450         char z_name[RTE_MEMZONE_NAMESIZE];
451         struct ice_vsi *vsi;
452         int err = ICE_SUCCESS;
453
454         if ((pf->flags & ICE_FLAG_FDIR) == 0) {
455                 PMD_INIT_LOG(ERR, "HW doesn't support FDIR");
456                 return -ENOTSUP;
457         }
458
459         PMD_DRV_LOG(INFO, "FDIR HW Capabilities: fd_fltr_guar = %u,"
460                     " fd_fltr_best_effort = %u.",
461                     hw->func_caps.fd_fltr_guar,
462                     hw->func_caps.fd_fltr_best_effort);
463
464         if (pf->fdir.fdir_vsi) {
465                 PMD_DRV_LOG(INFO, "FDIR initialization has been done.");
466                 return ICE_SUCCESS;
467         }
468
469         /* make new FDIR VSI */
470         vsi = ice_setup_vsi(pf, ICE_VSI_CTRL);
471         if (!vsi) {
472                 PMD_DRV_LOG(ERR, "Couldn't create FDIR VSI.");
473                 return -EINVAL;
474         }
475         pf->fdir.fdir_vsi = vsi;
476
477         err = ice_fdir_init_filter_list(pf);
478         if (err) {
479                 PMD_DRV_LOG(ERR, "Failed to init FDIR filter list.");
480                 return -EINVAL;
481         }
482
483         err = ice_fdir_counter_init(pf);
484         if (err) {
485                 PMD_DRV_LOG(ERR, "Failed to init FDIR counter.");
486                 return -EINVAL;
487         }
488
489         /*Fdir tx queue setup*/
490         err = ice_fdir_setup_tx_resources(pf);
491         if (err) {
492                 PMD_DRV_LOG(ERR, "Failed to setup FDIR TX resources.");
493                 goto fail_setup_tx;
494         }
495
496         /*Fdir rx queue setup*/
497         err = ice_fdir_setup_rx_resources(pf);
498         if (err) {
499                 PMD_DRV_LOG(ERR, "Failed to setup FDIR RX resources.");
500                 goto fail_setup_rx;
501         }
502
503         err = ice_fdir_tx_queue_start(eth_dev, pf->fdir.txq->queue_id);
504         if (err) {
505                 PMD_DRV_LOG(ERR, "Failed to start FDIR TX queue.");
506                 goto fail_mem;
507         }
508
509         err = ice_fdir_rx_queue_start(eth_dev, pf->fdir.rxq->queue_id);
510         if (err) {
511                 PMD_DRV_LOG(ERR, "Failed to start FDIR RX queue.");
512                 goto fail_mem;
513         }
514
515         /* Enable FDIR MSIX interrupt */
516         vsi->nb_used_qps = 1;
517         ice_vsi_queues_bind_intr(vsi);
518         ice_vsi_enable_queues_intr(vsi);
519
520         /* reserve memory for the fdir programming packet */
521         snprintf(z_name, sizeof(z_name), "ICE_%s_%d",
522                  ICE_FDIR_MZ_NAME,
523                  eth_dev->data->port_id);
524         mz = ice_memzone_reserve(z_name, ICE_FDIR_PKT_LEN, SOCKET_ID_ANY);
525         if (!mz) {
526                 PMD_DRV_LOG(ERR, "Cannot init memzone for "
527                             "flow director program packet.");
528                 err = -ENOMEM;
529                 goto fail_mem;
530         }
531         pf->fdir.prg_pkt = mz->addr;
532         pf->fdir.dma_addr = mz->iova;
533         pf->fdir.mz = mz;
534
535         err = ice_fdir_prof_alloc(hw);
536         if (err) {
537                 PMD_DRV_LOG(ERR, "Cannot allocate memory for "
538                             "flow director profile.");
539                 err = -ENOMEM;
540                 goto fail_prof;
541         }
542
543         PMD_DRV_LOG(INFO, "FDIR setup successfully, with programming queue %u.",
544                     vsi->base_queue);
545         return ICE_SUCCESS;
546
547 fail_prof:
548         rte_memzone_free(pf->fdir.mz);
549         pf->fdir.mz = NULL;
550 fail_mem:
551         ice_rx_queue_release(pf->fdir.rxq);
552         pf->fdir.rxq = NULL;
553 fail_setup_rx:
554         ice_tx_queue_release(pf->fdir.txq);
555         pf->fdir.txq = NULL;
556 fail_setup_tx:
557         ice_release_vsi(vsi);
558         pf->fdir.fdir_vsi = NULL;
559         return err;
560 }
561
562 static void
563 ice_fdir_prof_free(struct ice_hw *hw)
564 {
565         enum ice_fltr_ptype ptype;
566
567         for (ptype = ICE_FLTR_PTYPE_NONF_NONE + 1;
568              ptype < ICE_FLTR_PTYPE_MAX;
569              ptype++) {
570                 rte_free(hw->fdir_prof[ptype]);
571                 hw->fdir_prof[ptype] = NULL;
572         }
573
574         rte_free(hw->fdir_prof);
575         hw->fdir_prof = NULL;
576 }
577
578 /* Remove a profile for some filter type */
579 static void
580 ice_fdir_prof_rm(struct ice_pf *pf, enum ice_fltr_ptype ptype, bool is_tunnel)
581 {
582         struct ice_hw *hw = ICE_PF_TO_HW(pf);
583         struct ice_fd_hw_prof *hw_prof;
584         uint64_t prof_id;
585         uint16_t vsi_num;
586         int i;
587
588         if (!hw->fdir_prof || !hw->fdir_prof[ptype])
589                 return;
590
591         hw_prof = hw->fdir_prof[ptype];
592
593         prof_id = ptype + is_tunnel * ICE_FLTR_PTYPE_MAX;
594         for (i = 0; i < pf->hw_prof_cnt[ptype][is_tunnel]; i++) {
595                 if (hw_prof->entry_h[i][is_tunnel]) {
596                         vsi_num = ice_get_hw_vsi_num(hw,
597                                                      hw_prof->vsi_h[i]);
598                         ice_rem_prof_id_flow(hw, ICE_BLK_FD,
599                                              vsi_num, ptype);
600                         ice_flow_rem_entry(hw, ICE_BLK_FD,
601                                            hw_prof->entry_h[i][is_tunnel]);
602                         hw_prof->entry_h[i][is_tunnel] = 0;
603                 }
604         }
605         ice_flow_rem_prof(hw, ICE_BLK_FD, prof_id);
606         rte_free(hw_prof->fdir_seg[is_tunnel]);
607         hw_prof->fdir_seg[is_tunnel] = NULL;
608
609         for (i = 0; i < hw_prof->cnt; i++)
610                 hw_prof->vsi_h[i] = 0;
611         pf->hw_prof_cnt[ptype][is_tunnel] = 0;
612 }
613
614 /* Remove all created profiles */
615 static void
616 ice_fdir_prof_rm_all(struct ice_pf *pf)
617 {
618         enum ice_fltr_ptype ptype;
619
620         for (ptype = ICE_FLTR_PTYPE_NONF_NONE + 1;
621              ptype < ICE_FLTR_PTYPE_MAX;
622              ptype++) {
623                 ice_fdir_prof_rm(pf, ptype, false);
624                 ice_fdir_prof_rm(pf, ptype, true);
625         }
626 }
627
628 /*
629  * ice_fdir_teardown - release the Flow Director resources
630  * @pf: board private structure
631  */
632 static void
633 ice_fdir_teardown(struct ice_pf *pf)
634 {
635         struct rte_eth_dev *eth_dev = pf->adapter->eth_dev;
636         struct ice_hw *hw = ICE_PF_TO_HW(pf);
637         struct ice_vsi *vsi;
638         int err;
639
640         vsi = pf->fdir.fdir_vsi;
641         if (!vsi)
642                 return;
643
644         ice_vsi_disable_queues_intr(vsi);
645
646         err = ice_fdir_tx_queue_stop(eth_dev, pf->fdir.txq->queue_id);
647         if (err)
648                 PMD_DRV_LOG(ERR, "Failed to stop TX queue.");
649
650         err = ice_fdir_rx_queue_stop(eth_dev, pf->fdir.rxq->queue_id);
651         if (err)
652                 PMD_DRV_LOG(ERR, "Failed to stop RX queue.");
653
654         err = ice_fdir_counter_release(pf);
655         if (err)
656                 PMD_DRV_LOG(ERR, "Failed to release FDIR counter resource.");
657
658         ice_fdir_release_filter_list(pf);
659
660         ice_tx_queue_release(pf->fdir.txq);
661         pf->fdir.txq = NULL;
662         ice_rx_queue_release(pf->fdir.rxq);
663         pf->fdir.rxq = NULL;
664         ice_fdir_prof_rm_all(pf);
665         ice_fdir_prof_free(hw);
666         ice_release_vsi(vsi);
667         pf->fdir.fdir_vsi = NULL;
668
669         if (pf->fdir.mz) {
670                 err = rte_memzone_free(pf->fdir.mz);
671                 pf->fdir.mz = NULL;
672                 if (err)
673                         PMD_DRV_LOG(ERR, "Failed to free FDIR memezone.");
674         }
675 }
676
677 static int
678 ice_fdir_cur_prof_conflict(struct ice_pf *pf,
679                            enum ice_fltr_ptype ptype,
680                            struct ice_flow_seg_info *seg,
681                            bool is_tunnel)
682 {
683         struct ice_hw *hw = ICE_PF_TO_HW(pf);
684         struct ice_flow_seg_info *ori_seg;
685         struct ice_fd_hw_prof *hw_prof;
686
687         hw_prof = hw->fdir_prof[ptype];
688         ori_seg = hw_prof->fdir_seg[is_tunnel];
689
690         /* profile does not exist */
691         if (!ori_seg)
692                 return 0;
693
694         /* if no input set conflict, return -EEXIST */
695         if ((!is_tunnel && !memcmp(ori_seg, seg, sizeof(*seg))) ||
696             (is_tunnel && !memcmp(&ori_seg[1], &seg[1], sizeof(*seg)))) {
697                 PMD_DRV_LOG(DEBUG, "Profile already exists for flow type %d.",
698                             ptype);
699                 return -EEXIST;
700         }
701
702         /* a rule with input set conflict already exist, so give up */
703         if (pf->fdir_fltr_cnt[ptype][is_tunnel]) {
704                 PMD_DRV_LOG(DEBUG, "Failed to create profile for flow type %d due to conflict with existing rule.",
705                             ptype);
706                 return -EINVAL;
707         }
708
709         /* it's safe to delete an empty profile */
710         ice_fdir_prof_rm(pf, ptype, is_tunnel);
711         return 0;
712 }
713
714 static bool
715 ice_fdir_prof_resolve_conflict(struct ice_pf *pf,
716                                enum ice_fltr_ptype ptype,
717                                bool is_tunnel)
718 {
719         struct ice_hw *hw = ICE_PF_TO_HW(pf);
720         struct ice_fd_hw_prof *hw_prof;
721         struct ice_flow_seg_info *seg;
722
723         hw_prof = hw->fdir_prof[ptype];
724         seg = hw_prof->fdir_seg[is_tunnel];
725
726         /* profile does not exist */
727         if (!seg)
728                 return true;
729
730         /* profile exists and rule exists, fail to resolve the conflict */
731         if (pf->fdir_fltr_cnt[ptype][is_tunnel] != 0)
732                 return false;
733
734         /* it's safe to delete an empty profile */
735         ice_fdir_prof_rm(pf, ptype, is_tunnel);
736
737         return true;
738 }
739
740 static int
741 ice_fdir_cross_prof_conflict(struct ice_pf *pf,
742                              enum ice_fltr_ptype ptype,
743                              bool is_tunnel)
744 {
745         enum ice_fltr_ptype cflct_ptype;
746
747         switch (ptype) {
748         /* IPv4 */
749         case ICE_FLTR_PTYPE_NONF_IPV4_UDP:
750         case ICE_FLTR_PTYPE_NONF_IPV4_TCP:
751         case ICE_FLTR_PTYPE_NONF_IPV4_SCTP:
752                 cflct_ptype = ICE_FLTR_PTYPE_NONF_IPV4_OTHER;
753                 if (!ice_fdir_prof_resolve_conflict
754                         (pf, cflct_ptype, is_tunnel))
755                         goto err;
756                 break;
757         case ICE_FLTR_PTYPE_NONF_IPV4_OTHER:
758                 cflct_ptype = ICE_FLTR_PTYPE_NONF_IPV4_UDP;
759                 if (!ice_fdir_prof_resolve_conflict
760                         (pf, cflct_ptype, is_tunnel))
761                         goto err;
762                 cflct_ptype = ICE_FLTR_PTYPE_NONF_IPV4_TCP;
763                 if (!ice_fdir_prof_resolve_conflict
764                         (pf, cflct_ptype, is_tunnel))
765                         goto err;
766                 cflct_ptype = ICE_FLTR_PTYPE_NONF_IPV4_SCTP;
767                 if (!ice_fdir_prof_resolve_conflict
768                         (pf, cflct_ptype, is_tunnel))
769                         goto err;
770                 break;
771         /* IPv4 GTPU */
772         case ICE_FLTR_PTYPE_NONF_IPV4_GTPU_IPV4_UDP:
773         case ICE_FLTR_PTYPE_NONF_IPV4_GTPU_IPV4_TCP:
774         case ICE_FLTR_PTYPE_NONF_IPV4_GTPU_IPV4_ICMP:
775                 cflct_ptype = ICE_FLTR_PTYPE_NONF_IPV4_GTPU_IPV4_OTHER;
776                 if (!ice_fdir_prof_resolve_conflict
777                         (pf, cflct_ptype, is_tunnel))
778                         goto err;
779                 break;
780         case ICE_FLTR_PTYPE_NONF_IPV4_GTPU_IPV4_OTHER:
781                 cflct_ptype = ICE_FLTR_PTYPE_NONF_IPV4_GTPU_IPV4_UDP;
782                 if (!ice_fdir_prof_resolve_conflict
783                         (pf, cflct_ptype, is_tunnel))
784                         goto err;
785                 cflct_ptype = ICE_FLTR_PTYPE_NONF_IPV4_GTPU_IPV4_TCP;
786                 if (!ice_fdir_prof_resolve_conflict
787                         (pf, cflct_ptype, is_tunnel))
788                         goto err;
789                 cflct_ptype = ICE_FLTR_PTYPE_NONF_IPV4_GTPU_IPV4_ICMP;
790                 if (!ice_fdir_prof_resolve_conflict
791                         (pf, cflct_ptype, is_tunnel))
792                         goto err;
793                 break;
794         /* IPv6 */
795         case ICE_FLTR_PTYPE_NONF_IPV6_UDP:
796         case ICE_FLTR_PTYPE_NONF_IPV6_TCP:
797         case ICE_FLTR_PTYPE_NONF_IPV6_SCTP:
798                 cflct_ptype = ICE_FLTR_PTYPE_NONF_IPV6_OTHER;
799                 if (!ice_fdir_prof_resolve_conflict
800                         (pf, cflct_ptype, is_tunnel))
801                         goto err;
802                 break;
803         case ICE_FLTR_PTYPE_NONF_IPV6_OTHER:
804                 cflct_ptype = ICE_FLTR_PTYPE_NONF_IPV6_UDP;
805                 if (!ice_fdir_prof_resolve_conflict
806                         (pf, cflct_ptype, is_tunnel))
807                         goto err;
808                 cflct_ptype = ICE_FLTR_PTYPE_NONF_IPV6_TCP;
809                 if (!ice_fdir_prof_resolve_conflict
810                         (pf, cflct_ptype, is_tunnel))
811                         goto err;
812                 cflct_ptype = ICE_FLTR_PTYPE_NONF_IPV6_SCTP;
813                 if (!ice_fdir_prof_resolve_conflict
814                         (pf, cflct_ptype, is_tunnel))
815                         goto err;
816                 break;
817         default:
818                 break;
819         }
820         return 0;
821 err:
822         PMD_DRV_LOG(DEBUG, "Failed to create profile for flow type %d due to conflict with existing rule of flow type %d.",
823                     ptype, cflct_ptype);
824         return -EINVAL;
825 }
826
827 static int
828 ice_fdir_hw_tbl_conf(struct ice_pf *pf, struct ice_vsi *vsi,
829                      struct ice_vsi *ctrl_vsi,
830                      struct ice_flow_seg_info *seg,
831                      enum ice_fltr_ptype ptype,
832                      bool is_tunnel)
833 {
834         struct ice_hw *hw = ICE_PF_TO_HW(pf);
835         enum ice_flow_dir dir = ICE_FLOW_RX;
836         struct ice_fd_hw_prof *hw_prof;
837         struct ice_flow_prof *prof;
838         uint64_t entry_1 = 0;
839         uint64_t entry_2 = 0;
840         uint16_t vsi_num;
841         int ret;
842         uint64_t prof_id;
843
844         /* check if have input set conflict on current profile. */
845         ret = ice_fdir_cur_prof_conflict(pf, ptype, seg, is_tunnel);
846         if (ret)
847                 return ret;
848
849         /* check if the profile is conflict with other profile. */
850         ret = ice_fdir_cross_prof_conflict(pf, ptype, is_tunnel);
851         if (ret)
852                 return ret;
853
854         prof_id = ptype + is_tunnel * ICE_FLTR_PTYPE_MAX;
855         ret = ice_flow_add_prof(hw, ICE_BLK_FD, dir, prof_id, seg,
856                                 (is_tunnel) ? 2 : 1, NULL, 0, &prof);
857         if (ret)
858                 return ret;
859         ret = ice_flow_add_entry(hw, ICE_BLK_FD, prof_id, vsi->idx,
860                                  vsi->idx, ICE_FLOW_PRIO_NORMAL,
861                                  seg, NULL, 0, &entry_1);
862         if (ret) {
863                 PMD_DRV_LOG(ERR, "Failed to add main VSI flow entry for %d.",
864                             ptype);
865                 goto err_add_prof;
866         }
867         ret = ice_flow_add_entry(hw, ICE_BLK_FD, prof_id, vsi->idx,
868                                  ctrl_vsi->idx, ICE_FLOW_PRIO_NORMAL,
869                                  seg, NULL, 0, &entry_2);
870         if (ret) {
871                 PMD_DRV_LOG(ERR, "Failed to add control VSI flow entry for %d.",
872                             ptype);
873                 goto err_add_entry;
874         }
875
876         hw_prof = hw->fdir_prof[ptype];
877         pf->hw_prof_cnt[ptype][is_tunnel] = 0;
878         hw_prof->cnt = 0;
879         hw_prof->fdir_seg[is_tunnel] = seg;
880         hw_prof->vsi_h[hw_prof->cnt] = vsi->idx;
881         hw_prof->entry_h[hw_prof->cnt++][is_tunnel] = entry_1;
882         pf->hw_prof_cnt[ptype][is_tunnel]++;
883         hw_prof->vsi_h[hw_prof->cnt] = ctrl_vsi->idx;
884         hw_prof->entry_h[hw_prof->cnt++][is_tunnel] = entry_2;
885         pf->hw_prof_cnt[ptype][is_tunnel]++;
886
887         return ret;
888
889 err_add_entry:
890         vsi_num = ice_get_hw_vsi_num(hw, vsi->idx);
891         ice_rem_prof_id_flow(hw, ICE_BLK_FD, vsi_num, prof_id);
892         ice_flow_rem_entry(hw, ICE_BLK_FD, entry_1);
893 err_add_prof:
894         ice_flow_rem_prof(hw, ICE_BLK_FD, prof_id);
895
896         return ret;
897 }
898
899 static void
900 ice_fdir_input_set_parse(uint64_t inset, enum ice_flow_field *field)
901 {
902         uint32_t i, j;
903
904         struct ice_inset_map {
905                 uint64_t inset;
906                 enum ice_flow_field fld;
907         };
908         static const struct ice_inset_map ice_inset_map[] = {
909                 {ICE_INSET_DMAC, ICE_FLOW_FIELD_IDX_ETH_DA},
910                 {ICE_INSET_ETHERTYPE, ICE_FLOW_FIELD_IDX_ETH_TYPE},
911                 {ICE_INSET_IPV4_SRC, ICE_FLOW_FIELD_IDX_IPV4_SA},
912                 {ICE_INSET_IPV4_DST, ICE_FLOW_FIELD_IDX_IPV4_DA},
913                 {ICE_INSET_IPV4_TOS, ICE_FLOW_FIELD_IDX_IPV4_DSCP},
914                 {ICE_INSET_IPV4_TTL, ICE_FLOW_FIELD_IDX_IPV4_TTL},
915                 {ICE_INSET_IPV4_PROTO, ICE_FLOW_FIELD_IDX_IPV4_PROT},
916                 {ICE_INSET_IPV6_SRC, ICE_FLOW_FIELD_IDX_IPV6_SA},
917                 {ICE_INSET_IPV6_DST, ICE_FLOW_FIELD_IDX_IPV6_DA},
918                 {ICE_INSET_IPV6_TC, ICE_FLOW_FIELD_IDX_IPV6_DSCP},
919                 {ICE_INSET_IPV6_NEXT_HDR, ICE_FLOW_FIELD_IDX_IPV6_PROT},
920                 {ICE_INSET_IPV6_HOP_LIMIT, ICE_FLOW_FIELD_IDX_IPV6_TTL},
921                 {ICE_INSET_TCP_SRC_PORT, ICE_FLOW_FIELD_IDX_TCP_SRC_PORT},
922                 {ICE_INSET_TCP_DST_PORT, ICE_FLOW_FIELD_IDX_TCP_DST_PORT},
923                 {ICE_INSET_UDP_SRC_PORT, ICE_FLOW_FIELD_IDX_UDP_SRC_PORT},
924                 {ICE_INSET_UDP_DST_PORT, ICE_FLOW_FIELD_IDX_UDP_DST_PORT},
925                 {ICE_INSET_SCTP_SRC_PORT, ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT},
926                 {ICE_INSET_SCTP_DST_PORT, ICE_FLOW_FIELD_IDX_SCTP_DST_PORT},
927                 {ICE_INSET_TUN_IPV4_SRC, ICE_FLOW_FIELD_IDX_IPV4_SA},
928                 {ICE_INSET_TUN_IPV4_DST, ICE_FLOW_FIELD_IDX_IPV4_DA},
929                 {ICE_INSET_TUN_TCP_SRC_PORT, ICE_FLOW_FIELD_IDX_TCP_SRC_PORT},
930                 {ICE_INSET_TUN_TCP_DST_PORT, ICE_FLOW_FIELD_IDX_TCP_DST_PORT},
931                 {ICE_INSET_TUN_UDP_SRC_PORT, ICE_FLOW_FIELD_IDX_UDP_SRC_PORT},
932                 {ICE_INSET_TUN_UDP_DST_PORT, ICE_FLOW_FIELD_IDX_UDP_DST_PORT},
933                 {ICE_INSET_TUN_SCTP_SRC_PORT, ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT},
934                 {ICE_INSET_TUN_SCTP_DST_PORT, ICE_FLOW_FIELD_IDX_SCTP_DST_PORT},
935                 {ICE_INSET_GTPU_TEID, ICE_FLOW_FIELD_IDX_GTPU_IP_TEID},
936                 {ICE_INSET_GTPU_QFI, ICE_FLOW_FIELD_IDX_GTPU_EH_QFI},
937         };
938
939         for (i = 0, j = 0; i < RTE_DIM(ice_inset_map); i++) {
940                 if ((inset & ice_inset_map[i].inset) ==
941                     ice_inset_map[i].inset)
942                         field[j++] = ice_inset_map[i].fld;
943         }
944 }
945
946 static void
947 ice_fdir_input_set_hdrs(enum ice_fltr_ptype flow, struct ice_flow_seg_info *seg)
948 {
949         switch (flow) {
950         case ICE_FLTR_PTYPE_NONF_IPV4_UDP:
951                 ICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_UDP |
952                                   ICE_FLOW_SEG_HDR_IPV4 |
953                                   ICE_FLOW_SEG_HDR_IPV_OTHER);
954                 break;
955         case ICE_FLTR_PTYPE_NONF_IPV4_TCP:
956                 ICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_TCP |
957                                   ICE_FLOW_SEG_HDR_IPV4 |
958                                   ICE_FLOW_SEG_HDR_IPV_OTHER);
959                 break;
960         case ICE_FLTR_PTYPE_NONF_IPV4_SCTP:
961                 ICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_SCTP |
962                                   ICE_FLOW_SEG_HDR_IPV4 |
963                                   ICE_FLOW_SEG_HDR_IPV_OTHER);
964                 break;
965         case ICE_FLTR_PTYPE_NONF_IPV4_OTHER:
966                 ICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_IPV4 |
967                                   ICE_FLOW_SEG_HDR_IPV_OTHER);
968                 break;
969         case ICE_FLTR_PTYPE_NONF_IPV6_UDP:
970                 ICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_UDP |
971                                   ICE_FLOW_SEG_HDR_IPV6 |
972                                   ICE_FLOW_SEG_HDR_IPV_OTHER);
973                 break;
974         case ICE_FLTR_PTYPE_NONF_IPV6_TCP:
975                 ICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_TCP |
976                                   ICE_FLOW_SEG_HDR_IPV6 |
977                                   ICE_FLOW_SEG_HDR_IPV_OTHER);
978                 break;
979         case ICE_FLTR_PTYPE_NONF_IPV6_SCTP:
980                 ICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_SCTP |
981                                   ICE_FLOW_SEG_HDR_IPV6 |
982                                   ICE_FLOW_SEG_HDR_IPV_OTHER);
983                 break;
984         case ICE_FLTR_PTYPE_NONF_IPV6_OTHER:
985                 ICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_IPV6 |
986                                   ICE_FLOW_SEG_HDR_IPV_OTHER);
987                 break;
988         case ICE_FLTR_PTYPE_NONF_IPV4_GTPU_IPV4_UDP:
989         case ICE_FLTR_PTYPE_NONF_IPV4_GTPU_IPV4_TCP:
990         case ICE_FLTR_PTYPE_NONF_IPV4_GTPU_IPV4_ICMP:
991         case ICE_FLTR_PTYPE_NONF_IPV4_GTPU_IPV4_OTHER:
992                 ICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_GTPU_IP |
993                                   ICE_FLOW_SEG_HDR_IPV4 |
994                                   ICE_FLOW_SEG_HDR_IPV_OTHER);
995                 break;
996         case ICE_FLTR_PTYPE_NONF_IPV4_GTPU_EH_IPV4_OTHER:
997                 ICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_GTPU_EH |
998                                   ICE_FLOW_SEG_HDR_GTPU_IP |
999                                   ICE_FLOW_SEG_HDR_IPV4 |
1000                                   ICE_FLOW_SEG_HDR_IPV_OTHER);
1001                 break;
1002         case ICE_FLTR_PTYPE_NONF_IPV6_GTPU_IPV6_OTHER:
1003                 ICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_GTPU_IP |
1004                                   ICE_FLOW_SEG_HDR_IPV6 |
1005                                   ICE_FLOW_SEG_HDR_IPV_OTHER);
1006                 break;
1007         case ICE_FLTR_PTYPE_NONF_IPV6_GTPU_EH_IPV6_OTHER:
1008                 ICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_GTPU_EH |
1009                                   ICE_FLOW_SEG_HDR_GTPU_IP |
1010                                   ICE_FLOW_SEG_HDR_IPV6 |
1011                                   ICE_FLOW_SEG_HDR_IPV_OTHER);
1012                 break;
1013         case ICE_FLTR_PTYPE_NON_IP_L2:
1014                 ICE_FLOW_SET_HDRS(seg, ICE_FLOW_SEG_HDR_ETH_NON_IP);
1015                 break;
1016         default:
1017                 PMD_DRV_LOG(ERR, "not supported filter type.");
1018                 break;
1019         }
1020 }
1021
1022 static int
1023 ice_fdir_input_set_conf(struct ice_pf *pf, enum ice_fltr_ptype flow,
1024                         uint64_t inner_input_set, uint64_t outer_input_set,
1025                         enum ice_fdir_tunnel_type ttype)
1026 {
1027         struct ice_flow_seg_info *seg;
1028         struct ice_flow_seg_info *seg_tun = NULL;
1029         enum ice_flow_field field[ICE_FLOW_FIELD_IDX_MAX];
1030         uint64_t input_set;
1031         bool is_tunnel;
1032         int k, i, ret = 0;
1033
1034         if (!(inner_input_set | outer_input_set))
1035                 return -EINVAL;
1036
1037         seg_tun = (struct ice_flow_seg_info *)
1038                 ice_malloc(hw, sizeof(*seg_tun) * ICE_FD_HW_SEG_MAX);
1039         if (!seg_tun) {
1040                 PMD_DRV_LOG(ERR, "No memory can be allocated");
1041                 return -ENOMEM;
1042         }
1043
1044         /* use seg_tun[1] to record tunnel inner part or non-tunnel */
1045         for (k = 0; k <= ICE_FD_HW_SEG_TUN; k++) {
1046                 seg = &seg_tun[k];
1047                 input_set = (k == ICE_FD_HW_SEG_TUN) ? inner_input_set : outer_input_set;
1048                 if (input_set == 0)
1049                         continue;
1050
1051                 for (i = 0; i < ICE_FLOW_FIELD_IDX_MAX; i++)
1052                         field[i] = ICE_FLOW_FIELD_IDX_MAX;
1053
1054                 ice_fdir_input_set_parse(input_set, field);
1055
1056                 ice_fdir_input_set_hdrs(flow, seg);
1057
1058                 for (i = 0; field[i] != ICE_FLOW_FIELD_IDX_MAX; i++) {
1059                         ice_flow_set_fld(seg, field[i],
1060                                          ICE_FLOW_FLD_OFF_INVAL,
1061                                          ICE_FLOW_FLD_OFF_INVAL,
1062                                          ICE_FLOW_FLD_OFF_INVAL, false);
1063                 }
1064         }
1065
1066         is_tunnel = ice_fdir_is_tunnel_profile(ttype);
1067         if (!is_tunnel) {
1068                 ret = ice_fdir_hw_tbl_conf(pf, pf->main_vsi, pf->fdir.fdir_vsi,
1069                                            seg_tun + 1, flow, false);
1070         } else {
1071                 ret = ice_fdir_hw_tbl_conf(pf, pf->main_vsi, pf->fdir.fdir_vsi,
1072                                            seg_tun, flow, true);
1073         }
1074
1075         if (!ret) {
1076                 return ret;
1077         } else if (ret < 0) {
1078                 rte_free(seg_tun);
1079                 return (ret == -EEXIST) ? 0 : ret;
1080         } else {
1081                 return ret;
1082         }
1083 }
1084
1085 static void
1086 ice_fdir_cnt_update(struct ice_pf *pf, enum ice_fltr_ptype ptype,
1087                     bool is_tunnel, bool add)
1088 {
1089         struct ice_hw *hw = ICE_PF_TO_HW(pf);
1090         int cnt;
1091
1092         cnt = (add) ? 1 : -1;
1093         hw->fdir_active_fltr += cnt;
1094         if (ptype == ICE_FLTR_PTYPE_NONF_NONE || ptype >= ICE_FLTR_PTYPE_MAX)
1095                 PMD_DRV_LOG(ERR, "Unknown filter type %d", ptype);
1096         else
1097                 pf->fdir_fltr_cnt[ptype][is_tunnel] += cnt;
1098 }
1099
1100 static int
1101 ice_fdir_init(struct ice_adapter *ad)
1102 {
1103         struct ice_pf *pf = &ad->pf;
1104         struct ice_flow_parser *parser;
1105         int ret;
1106
1107         if (ad->hw.dcf_enabled)
1108                 return 0;
1109
1110         ret = ice_fdir_setup(pf);
1111         if (ret)
1112                 return ret;
1113
1114         if (ad->active_pkg_type == ICE_PKG_TYPE_COMMS)
1115                 parser = &ice_fdir_parser_comms;
1116         else if (ad->active_pkg_type == ICE_PKG_TYPE_OS_DEFAULT)
1117                 parser = &ice_fdir_parser_os;
1118         else
1119                 return -EINVAL;
1120
1121         return ice_register_parser(parser, ad);
1122 }
1123
1124 static void
1125 ice_fdir_uninit(struct ice_adapter *ad)
1126 {
1127         struct ice_pf *pf = &ad->pf;
1128         struct ice_flow_parser *parser;
1129
1130         if (ad->hw.dcf_enabled)
1131                 return;
1132
1133         if (ad->active_pkg_type == ICE_PKG_TYPE_COMMS)
1134                 parser = &ice_fdir_parser_comms;
1135         else
1136                 parser = &ice_fdir_parser_os;
1137
1138         ice_unregister_parser(parser, ad);
1139
1140         ice_fdir_teardown(pf);
1141 }
1142
1143 static int
1144 ice_fdir_is_tunnel_profile(enum ice_fdir_tunnel_type tunnel_type)
1145 {
1146         if (tunnel_type == ICE_FDIR_TUNNEL_TYPE_VXLAN)
1147                 return 1;
1148         else
1149                 return 0;
1150 }
1151
1152 static int
1153 ice_fdir_add_del_filter(struct ice_pf *pf,
1154                         struct ice_fdir_filter_conf *filter,
1155                         bool add)
1156 {
1157         struct ice_fltr_desc desc;
1158         struct ice_hw *hw = ICE_PF_TO_HW(pf);
1159         unsigned char *pkt = (unsigned char *)pf->fdir.prg_pkt;
1160         bool is_tun;
1161         int ret;
1162
1163         filter->input.dest_vsi = pf->main_vsi->idx;
1164
1165         memset(&desc, 0, sizeof(desc));
1166         filter->input.comp_report = ICE_FXD_FLTR_QW0_COMP_REPORT_SW;
1167         ice_fdir_get_prgm_desc(hw, &filter->input, &desc, add);
1168
1169         is_tun = ice_fdir_is_tunnel_profile(filter->tunnel_type);
1170
1171         memset(pkt, 0, ICE_FDIR_PKT_LEN);
1172         ret = ice_fdir_get_gen_prgm_pkt(hw, &filter->input, pkt, false, is_tun);
1173         if (ret) {
1174                 PMD_DRV_LOG(ERR, "Generate dummy packet failed");
1175                 return -EINVAL;
1176         }
1177
1178         return ice_fdir_programming(pf, &desc);
1179 }
1180
1181 static void
1182 ice_fdir_extract_fltr_key(struct ice_fdir_fltr_pattern *key,
1183                           struct ice_fdir_filter_conf *filter)
1184 {
1185         struct ice_fdir_fltr *input = &filter->input;
1186         memset(key, 0, sizeof(*key));
1187
1188         key->flow_type = input->flow_type;
1189         rte_memcpy(&key->ip, &input->ip, sizeof(key->ip));
1190         rte_memcpy(&key->mask, &input->mask, sizeof(key->mask));
1191         rte_memcpy(&key->ext_data, &input->ext_data, sizeof(key->ext_data));
1192         rte_memcpy(&key->ext_mask, &input->ext_mask, sizeof(key->ext_mask));
1193
1194         rte_memcpy(&key->gtpu_data, &input->gtpu_data, sizeof(key->gtpu_data));
1195         rte_memcpy(&key->gtpu_mask, &input->gtpu_mask, sizeof(key->gtpu_mask));
1196
1197         key->tunnel_type = filter->tunnel_type;
1198 }
1199
1200 /* Check if there exists the flow director filter */
1201 static struct ice_fdir_filter_conf *
1202 ice_fdir_entry_lookup(struct ice_fdir_info *fdir_info,
1203                         const struct ice_fdir_fltr_pattern *key)
1204 {
1205         int ret;
1206
1207         ret = rte_hash_lookup(fdir_info->hash_table, key);
1208         if (ret < 0)
1209                 return NULL;
1210
1211         return fdir_info->hash_map[ret];
1212 }
1213
1214 /* Add a flow director entry into the SW list */
1215 static int
1216 ice_fdir_entry_insert(struct ice_pf *pf,
1217                       struct ice_fdir_filter_conf *entry,
1218                       struct ice_fdir_fltr_pattern *key)
1219 {
1220         struct ice_fdir_info *fdir_info = &pf->fdir;
1221         int ret;
1222
1223         ret = rte_hash_add_key(fdir_info->hash_table, key);
1224         if (ret < 0) {
1225                 PMD_DRV_LOG(ERR,
1226                             "Failed to insert fdir entry to hash table %d!",
1227                             ret);
1228                 return ret;
1229         }
1230         fdir_info->hash_map[ret] = entry;
1231
1232         return 0;
1233 }
1234
1235 /* Delete a flow director entry from the SW list */
1236 static int
1237 ice_fdir_entry_del(struct ice_pf *pf, struct ice_fdir_fltr_pattern *key)
1238 {
1239         struct ice_fdir_info *fdir_info = &pf->fdir;
1240         int ret;
1241
1242         ret = rte_hash_del_key(fdir_info->hash_table, key);
1243         if (ret < 0) {
1244                 PMD_DRV_LOG(ERR,
1245                             "Failed to delete fdir filter to hash table %d!",
1246                             ret);
1247                 return ret;
1248         }
1249         fdir_info->hash_map[ret] = NULL;
1250
1251         return 0;
1252 }
1253
1254 static int
1255 ice_fdir_create_filter(struct ice_adapter *ad,
1256                        struct rte_flow *flow,
1257                        void *meta,
1258                        struct rte_flow_error *error)
1259 {
1260         struct ice_pf *pf = &ad->pf;
1261         struct ice_fdir_filter_conf *filter = meta;
1262         struct ice_fdir_info *fdir_info = &pf->fdir;
1263         struct ice_fdir_filter_conf *entry, *node;
1264         struct ice_fdir_fltr_pattern key;
1265         bool is_tun;
1266         int ret;
1267
1268         ice_fdir_extract_fltr_key(&key, filter);
1269         node = ice_fdir_entry_lookup(fdir_info, &key);
1270         if (node) {
1271                 rte_flow_error_set(error, EEXIST,
1272                                    RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1273                                    "Rule already exists!");
1274                 return -rte_errno;
1275         }
1276
1277         entry = rte_zmalloc("fdir_entry", sizeof(*entry), 0);
1278         if (!entry) {
1279                 rte_flow_error_set(error, ENOMEM,
1280                                    RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1281                                    "Failed to allocate memory");
1282                 return -rte_errno;
1283         }
1284
1285         is_tun = ice_fdir_is_tunnel_profile(filter->tunnel_type);
1286
1287         ret = ice_fdir_input_set_conf(pf, filter->input.flow_type,
1288                                       filter->input_set, filter->outer_input_set,
1289                                       filter->tunnel_type);
1290         if (ret) {
1291                 rte_flow_error_set(error, -ret,
1292                                    RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1293                                    "Profile configure failed.");
1294                 goto free_entry;
1295         }
1296
1297         /* alloc counter for FDIR */
1298         if (filter->input.cnt_ena) {
1299                 struct rte_flow_action_count *act_count = &filter->act_count;
1300
1301                 filter->counter = ice_fdir_counter_alloc(pf,
1302                                                          act_count->shared,
1303                                                          act_count->id);
1304                 if (!filter->counter) {
1305                         rte_flow_error_set(error, EINVAL,
1306                                         RTE_FLOW_ERROR_TYPE_ACTION, NULL,
1307                                         "Failed to alloc FDIR counter.");
1308                         goto free_entry;
1309                 }
1310                 filter->input.cnt_index = filter->counter->hw_index;
1311         }
1312
1313         ret = ice_fdir_add_del_filter(pf, filter, true);
1314         if (ret) {
1315                 rte_flow_error_set(error, -ret,
1316                                    RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1317                                    "Add filter rule failed.");
1318                 goto free_counter;
1319         }
1320
1321         rte_memcpy(entry, filter, sizeof(*entry));
1322         ret = ice_fdir_entry_insert(pf, entry, &key);
1323         if (ret) {
1324                 rte_flow_error_set(error, -ret,
1325                                    RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1326                                    "Insert entry to table failed.");
1327                 goto free_entry;
1328         }
1329
1330         flow->rule = entry;
1331         ice_fdir_cnt_update(pf, filter->input.flow_type, is_tun, true);
1332
1333         return 0;
1334
1335 free_counter:
1336         if (filter->counter) {
1337                 ice_fdir_counter_free(pf, filter->counter);
1338                 filter->counter = NULL;
1339         }
1340
1341 free_entry:
1342         rte_free(entry);
1343         return -rte_errno;
1344 }
1345
1346 static int
1347 ice_fdir_destroy_filter(struct ice_adapter *ad,
1348                         struct rte_flow *flow,
1349                         struct rte_flow_error *error)
1350 {
1351         struct ice_pf *pf = &ad->pf;
1352         struct ice_fdir_info *fdir_info = &pf->fdir;
1353         struct ice_fdir_filter_conf *filter, *entry;
1354         struct ice_fdir_fltr_pattern key;
1355         bool is_tun;
1356         int ret;
1357
1358         filter = (struct ice_fdir_filter_conf *)flow->rule;
1359
1360         is_tun = ice_fdir_is_tunnel_profile(filter->tunnel_type);
1361
1362         if (filter->counter) {
1363                 ice_fdir_counter_free(pf, filter->counter);
1364                 filter->counter = NULL;
1365         }
1366
1367         ice_fdir_extract_fltr_key(&key, filter);
1368         entry = ice_fdir_entry_lookup(fdir_info, &key);
1369         if (!entry) {
1370                 rte_flow_error_set(error, ENOENT,
1371                                    RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1372                                    "Can't find entry.");
1373                 return -rte_errno;
1374         }
1375
1376         ret = ice_fdir_add_del_filter(pf, filter, false);
1377         if (ret) {
1378                 rte_flow_error_set(error, -ret,
1379                                    RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1380                                    "Del filter rule failed.");
1381                 return -rte_errno;
1382         }
1383
1384         ret = ice_fdir_entry_del(pf, &key);
1385         if (ret) {
1386                 rte_flow_error_set(error, -ret,
1387                                    RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
1388                                    "Remove entry from table failed.");
1389                 return -rte_errno;
1390         }
1391
1392         ice_fdir_cnt_update(pf, filter->input.flow_type, is_tun, false);
1393         flow->rule = NULL;
1394
1395         rte_free(filter);
1396
1397         return 0;
1398 }
1399
1400 static int
1401 ice_fdir_query_count(struct ice_adapter *ad,
1402                       struct rte_flow *flow,
1403                       struct rte_flow_query_count *flow_stats,
1404                       struct rte_flow_error *error)
1405 {
1406         struct ice_pf *pf = &ad->pf;
1407         struct ice_hw *hw = ICE_PF_TO_HW(pf);
1408         struct ice_fdir_filter_conf *filter = flow->rule;
1409         struct ice_fdir_counter *counter = filter->counter;
1410         uint64_t hits_lo, hits_hi;
1411
1412         if (!counter) {
1413                 rte_flow_error_set(error, EINVAL,
1414                                   RTE_FLOW_ERROR_TYPE_ACTION,
1415                                   NULL,
1416                                   "FDIR counters not available");
1417                 return -rte_errno;
1418         }
1419
1420         /*
1421          * Reading the low 32-bits latches the high 32-bits into a shadow
1422          * register. Reading the high 32-bit returns the value in the
1423          * shadow register.
1424          */
1425         hits_lo = ICE_READ_REG(hw, GLSTAT_FD_CNT0L(counter->hw_index));
1426         hits_hi = ICE_READ_REG(hw, GLSTAT_FD_CNT0H(counter->hw_index));
1427
1428         flow_stats->hits_set = 1;
1429         flow_stats->hits = hits_lo | (hits_hi << 32);
1430         flow_stats->bytes_set = 0;
1431         flow_stats->bytes = 0;
1432
1433         if (flow_stats->reset) {
1434                 /* reset statistic counter value */
1435                 ICE_WRITE_REG(hw, GLSTAT_FD_CNT0H(counter->hw_index), 0);
1436                 ICE_WRITE_REG(hw, GLSTAT_FD_CNT0L(counter->hw_index), 0);
1437         }
1438
1439         return 0;
1440 }
1441
1442 static struct ice_flow_engine ice_fdir_engine = {
1443         .init = ice_fdir_init,
1444         .uninit = ice_fdir_uninit,
1445         .create = ice_fdir_create_filter,
1446         .destroy = ice_fdir_destroy_filter,
1447         .query_count = ice_fdir_query_count,
1448         .type = ICE_FLOW_ENGINE_FDIR,
1449 };
1450
1451 static int
1452 ice_fdir_parse_action_qregion(struct ice_pf *pf,
1453                               struct rte_flow_error *error,
1454                               const struct rte_flow_action *act,
1455                               struct ice_fdir_filter_conf *filter)
1456 {
1457         const struct rte_flow_action_rss *rss = act->conf;
1458         uint32_t i;
1459
1460         if (act->type != RTE_FLOW_ACTION_TYPE_RSS) {
1461                 rte_flow_error_set(error, EINVAL,
1462                                    RTE_FLOW_ERROR_TYPE_ACTION, act,
1463                                    "Invalid action.");
1464                 return -rte_errno;
1465         }
1466
1467         if (rss->queue_num <= 1) {
1468                 rte_flow_error_set(error, EINVAL,
1469                                    RTE_FLOW_ERROR_TYPE_ACTION, act,
1470                                    "Queue region size can't be 0 or 1.");
1471                 return -rte_errno;
1472         }
1473
1474         /* check if queue index for queue region is continuous */
1475         for (i = 0; i < rss->queue_num - 1; i++) {
1476                 if (rss->queue[i + 1] != rss->queue[i] + 1) {
1477                         rte_flow_error_set(error, EINVAL,
1478                                            RTE_FLOW_ERROR_TYPE_ACTION, act,
1479                                            "Discontinuous queue region");
1480                         return -rte_errno;
1481                 }
1482         }
1483
1484         if (rss->queue[rss->queue_num - 1] >= pf->dev_data->nb_rx_queues) {
1485                 rte_flow_error_set(error, EINVAL,
1486                                    RTE_FLOW_ERROR_TYPE_ACTION, act,
1487                                    "Invalid queue region indexes.");
1488                 return -rte_errno;
1489         }
1490
1491         if (!(rte_is_power_of_2(rss->queue_num) &&
1492              (rss->queue_num <= ICE_FDIR_MAX_QREGION_SIZE))) {
1493                 rte_flow_error_set(error, EINVAL,
1494                                    RTE_FLOW_ERROR_TYPE_ACTION, act,
1495                                    "The region size should be any of the following values:"
1496                                    "1, 2, 4, 8, 16, 32, 64, 128 as long as the total number "
1497                                    "of queues do not exceed the VSI allocation.");
1498                 return -rte_errno;
1499         }
1500
1501         filter->input.q_index = rss->queue[0];
1502         filter->input.q_region = rte_fls_u32(rss->queue_num) - 1;
1503         filter->input.dest_ctl = ICE_FLTR_PRGM_DESC_DEST_DIRECT_PKT_QGROUP;
1504
1505         return 0;
1506 }
1507
1508 static int
1509 ice_fdir_parse_action(struct ice_adapter *ad,
1510                       const struct rte_flow_action actions[],
1511                       struct rte_flow_error *error,
1512                       struct ice_fdir_filter_conf *filter)
1513 {
1514         struct ice_pf *pf = &ad->pf;
1515         const struct rte_flow_action_queue *act_q;
1516         const struct rte_flow_action_mark *mark_spec = NULL;
1517         const struct rte_flow_action_count *act_count;
1518         uint32_t dest_num = 0;
1519         uint32_t mark_num = 0;
1520         uint32_t counter_num = 0;
1521         int ret;
1522
1523         for (; actions->type != RTE_FLOW_ACTION_TYPE_END; actions++) {
1524                 switch (actions->type) {
1525                 case RTE_FLOW_ACTION_TYPE_VOID:
1526                         break;
1527                 case RTE_FLOW_ACTION_TYPE_QUEUE:
1528                         dest_num++;
1529
1530                         act_q = actions->conf;
1531                         filter->input.q_index = act_q->index;
1532                         if (filter->input.q_index >=
1533                                         pf->dev_data->nb_rx_queues) {
1534                                 rte_flow_error_set(error, EINVAL,
1535                                                    RTE_FLOW_ERROR_TYPE_ACTION,
1536                                                    actions,
1537                                                    "Invalid queue for FDIR.");
1538                                 return -rte_errno;
1539                         }
1540                         filter->input.dest_ctl =
1541                                 ICE_FLTR_PRGM_DESC_DEST_DIRECT_PKT_QINDEX;
1542                         break;
1543                 case RTE_FLOW_ACTION_TYPE_DROP:
1544                         dest_num++;
1545
1546                         filter->input.dest_ctl =
1547                                 ICE_FLTR_PRGM_DESC_DEST_DROP_PKT;
1548                         break;
1549                 case RTE_FLOW_ACTION_TYPE_PASSTHRU:
1550                         dest_num++;
1551
1552                         filter->input.dest_ctl =
1553                                 ICE_FLTR_PRGM_DESC_DEST_DIRECT_PKT_OTHER;
1554                         break;
1555                 case RTE_FLOW_ACTION_TYPE_RSS:
1556                         dest_num++;
1557
1558                         ret = ice_fdir_parse_action_qregion(pf,
1559                                                 error, actions, filter);
1560                         if (ret)
1561                                 return ret;
1562                         break;
1563                 case RTE_FLOW_ACTION_TYPE_MARK:
1564                         mark_num++;
1565
1566                         mark_spec = actions->conf;
1567                         filter->input.fltr_id = mark_spec->id;
1568                         filter->input.fdid_prio = ICE_FXD_FLTR_QW1_FDID_PRI_ONE;
1569                         break;
1570                 case RTE_FLOW_ACTION_TYPE_COUNT:
1571                         counter_num++;
1572
1573                         act_count = actions->conf;
1574                         filter->input.cnt_ena = ICE_FXD_FLTR_QW0_STAT_ENA_PKTS;
1575                         rte_memcpy(&filter->act_count, act_count,
1576                                                 sizeof(filter->act_count));
1577
1578                         break;
1579                 default:
1580                         rte_flow_error_set(error, EINVAL,
1581                                    RTE_FLOW_ERROR_TYPE_ACTION, actions,
1582                                    "Invalid action.");
1583                         return -rte_errno;
1584                 }
1585         }
1586
1587         if (dest_num >= 2) {
1588                 rte_flow_error_set(error, EINVAL,
1589                            RTE_FLOW_ERROR_TYPE_ACTION, actions,
1590                            "Unsupported action combination");
1591                 return -rte_errno;
1592         }
1593
1594         if (mark_num >= 2) {
1595                 rte_flow_error_set(error, EINVAL,
1596                            RTE_FLOW_ERROR_TYPE_ACTION, actions,
1597                            "Too many mark actions");
1598                 return -rte_errno;
1599         }
1600
1601         if (counter_num >= 2) {
1602                 rte_flow_error_set(error, EINVAL,
1603                            RTE_FLOW_ERROR_TYPE_ACTION, actions,
1604                            "Too many count actions");
1605                 return -rte_errno;
1606         }
1607
1608         if (dest_num + mark_num + counter_num == 0) {
1609                 rte_flow_error_set(error, EINVAL,
1610                            RTE_FLOW_ERROR_TYPE_ACTION, actions,
1611                            "Empty action");
1612                 return -rte_errno;
1613         }
1614
1615         /* set default action to PASSTHRU mode, in "mark/count only" case. */
1616         if (dest_num == 0)
1617                 filter->input.dest_ctl =
1618                         ICE_FLTR_PRGM_DESC_DEST_DIRECT_PKT_OTHER;
1619
1620         return 0;
1621 }
1622
1623 static int
1624 ice_fdir_parse_pattern(__rte_unused struct ice_adapter *ad,
1625                        const struct rte_flow_item pattern[],
1626                        struct rte_flow_error *error,
1627                        struct ice_fdir_filter_conf *filter)
1628 {
1629         const struct rte_flow_item *item = pattern;
1630         enum rte_flow_item_type item_type;
1631         enum rte_flow_item_type l3 = RTE_FLOW_ITEM_TYPE_END;
1632         enum ice_fdir_tunnel_type tunnel_type = ICE_FDIR_TUNNEL_TYPE_NONE;
1633         const struct rte_flow_item_eth *eth_spec, *eth_mask;
1634         const struct rte_flow_item_ipv4 *ipv4_spec, *ipv4_mask;
1635         const struct rte_flow_item_ipv6 *ipv6_spec, *ipv6_mask;
1636         const struct rte_flow_item_tcp *tcp_spec, *tcp_mask;
1637         const struct rte_flow_item_udp *udp_spec, *udp_mask;
1638         const struct rte_flow_item_sctp *sctp_spec, *sctp_mask;
1639         const struct rte_flow_item_vxlan *vxlan_spec, *vxlan_mask;
1640         const struct rte_flow_item_gtp *gtp_spec, *gtp_mask;
1641         const struct rte_flow_item_gtp_psc *gtp_psc_spec, *gtp_psc_mask;
1642         uint64_t input_set = ICE_INSET_NONE;
1643         uint8_t flow_type = ICE_FLTR_PTYPE_NONF_NONE;
1644         uint8_t  ipv6_addr_mask[16] = {
1645                 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
1646                 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
1647         };
1648         uint32_t vtc_flow_cpu;
1649         uint16_t ether_type;
1650         enum rte_flow_item_type next_type;
1651
1652         for (item = pattern; item->type != RTE_FLOW_ITEM_TYPE_END; item++) {
1653                 if (item->last) {
1654                         rte_flow_error_set(error, EINVAL,
1655                                         RTE_FLOW_ERROR_TYPE_ITEM,
1656                                         item,
1657                                         "Not support range");
1658                         return -rte_errno;
1659                 }
1660                 item_type = item->type;
1661
1662                 switch (item_type) {
1663                 case RTE_FLOW_ITEM_TYPE_ETH:
1664                         eth_spec = item->spec;
1665                         eth_mask = item->mask;
1666                         next_type = (item + 1)->type;
1667
1668                         if (eth_spec && eth_mask) {
1669                                 if (!rte_is_zero_ether_addr(&eth_mask->dst)) {
1670                                         input_set |= ICE_INSET_DMAC;
1671                                         rte_memcpy(&filter->input.ext_data.dst_mac,
1672                                                    &eth_spec->dst,
1673                                                    RTE_ETHER_ADDR_LEN);
1674                                 }
1675
1676                                 if (!rte_is_zero_ether_addr(&eth_mask->src)) {
1677                                         input_set |= ICE_INSET_SMAC;
1678                                         rte_memcpy(&filter->input.ext_data.src_mac,
1679                                                    &eth_spec->src,
1680                                                    RTE_ETHER_ADDR_LEN);
1681                                 }
1682
1683                                 /* Ignore this field except for ICE_FLTR_PTYPE_NON_IP_L2 */
1684                                 if (eth_mask->type == RTE_BE16(0xffff) &&
1685                                     next_type == RTE_FLOW_ITEM_TYPE_END) {
1686                                         input_set |= ICE_INSET_ETHERTYPE;
1687                                         ether_type = rte_be_to_cpu_16(eth_spec->type);
1688
1689                                         if (ether_type == RTE_ETHER_TYPE_IPV4 ||
1690                                             ether_type == RTE_ETHER_TYPE_IPV6) {
1691                                                 rte_flow_error_set(error, EINVAL,
1692                                                                    RTE_FLOW_ERROR_TYPE_ITEM,
1693                                                                    item,
1694                                                                    "Unsupported ether_type.");
1695                                                 return -rte_errno;
1696                                         }
1697
1698                                         rte_memcpy(&filter->input.ext_data.ether_type,
1699                                                    &eth_spec->type,
1700                                                    sizeof(eth_spec->type));
1701                                         flow_type = ICE_FLTR_PTYPE_NON_IP_L2;
1702                                 }
1703                         }
1704                         break;
1705                 case RTE_FLOW_ITEM_TYPE_IPV4:
1706                         l3 = RTE_FLOW_ITEM_TYPE_IPV4;
1707                         ipv4_spec = item->spec;
1708                         ipv4_mask = item->mask;
1709
1710                         if (ipv4_spec && ipv4_mask) {
1711                                 /* Check IPv4 mask and update input set */
1712                                 if (ipv4_mask->hdr.version_ihl ||
1713                                     ipv4_mask->hdr.total_length ||
1714                                     ipv4_mask->hdr.packet_id ||
1715                                     ipv4_mask->hdr.fragment_offset ||
1716                                     ipv4_mask->hdr.hdr_checksum) {
1717                                         rte_flow_error_set(error, EINVAL,
1718                                                    RTE_FLOW_ERROR_TYPE_ITEM,
1719                                                    item,
1720                                                    "Invalid IPv4 mask.");
1721                                         return -rte_errno;
1722                                 }
1723                                 if (ipv4_mask->hdr.src_addr == UINT32_MAX)
1724                                         input_set |= tunnel_type ?
1725                                                      ICE_INSET_TUN_IPV4_SRC :
1726                                                      ICE_INSET_IPV4_SRC;
1727                                 if (ipv4_mask->hdr.dst_addr == UINT32_MAX)
1728                                         input_set |= tunnel_type ?
1729                                                      ICE_INSET_TUN_IPV4_DST :
1730                                                      ICE_INSET_IPV4_DST;
1731                                 if (ipv4_mask->hdr.type_of_service == UINT8_MAX)
1732                                         input_set |= ICE_INSET_IPV4_TOS;
1733                                 if (ipv4_mask->hdr.time_to_live == UINT8_MAX)
1734                                         input_set |= ICE_INSET_IPV4_TTL;
1735                                 if (ipv4_mask->hdr.next_proto_id == UINT8_MAX)
1736                                         input_set |= ICE_INSET_IPV4_PROTO;
1737
1738                                 filter->input.ip.v4.dst_ip =
1739                                         ipv4_spec->hdr.dst_addr;
1740                                 filter->input.ip.v4.src_ip =
1741                                         ipv4_spec->hdr.src_addr;
1742                                 filter->input.ip.v4.tos =
1743                                         ipv4_spec->hdr.type_of_service;
1744                                 filter->input.ip.v4.ttl =
1745                                         ipv4_spec->hdr.time_to_live;
1746                                 filter->input.ip.v4.proto =
1747                                         ipv4_spec->hdr.next_proto_id;
1748                         }
1749
1750                         flow_type = ICE_FLTR_PTYPE_NONF_IPV4_OTHER;
1751                         break;
1752                 case RTE_FLOW_ITEM_TYPE_IPV6:
1753                         l3 = RTE_FLOW_ITEM_TYPE_IPV6;
1754                         ipv6_spec = item->spec;
1755                         ipv6_mask = item->mask;
1756
1757                         if (ipv6_spec && ipv6_mask) {
1758                                 /* Check IPv6 mask and update input set */
1759                                 if (ipv6_mask->hdr.payload_len) {
1760                                         rte_flow_error_set(error, EINVAL,
1761                                                    RTE_FLOW_ERROR_TYPE_ITEM,
1762                                                    item,
1763                                                    "Invalid IPv6 mask");
1764                                         return -rte_errno;
1765                                 }
1766
1767                                 if (!memcmp(ipv6_mask->hdr.src_addr,
1768                                             ipv6_addr_mask,
1769                                             RTE_DIM(ipv6_mask->hdr.src_addr)))
1770                                         input_set |= ICE_INSET_IPV6_SRC;
1771                                 if (!memcmp(ipv6_mask->hdr.dst_addr,
1772                                             ipv6_addr_mask,
1773                                             RTE_DIM(ipv6_mask->hdr.dst_addr)))
1774                                         input_set |= ICE_INSET_IPV6_DST;
1775
1776                                 if ((ipv6_mask->hdr.vtc_flow &
1777                                      rte_cpu_to_be_32(ICE_IPV6_TC_MASK))
1778                                     == rte_cpu_to_be_32(ICE_IPV6_TC_MASK))
1779                                         input_set |= ICE_INSET_IPV6_TC;
1780                                 if (ipv6_mask->hdr.proto == UINT8_MAX)
1781                                         input_set |= ICE_INSET_IPV6_NEXT_HDR;
1782                                 if (ipv6_mask->hdr.hop_limits == UINT8_MAX)
1783                                         input_set |= ICE_INSET_IPV6_HOP_LIMIT;
1784
1785                                 rte_memcpy(filter->input.ip.v6.dst_ip,
1786                                            ipv6_spec->hdr.dst_addr, 16);
1787                                 rte_memcpy(filter->input.ip.v6.src_ip,
1788                                            ipv6_spec->hdr.src_addr, 16);
1789
1790                                 vtc_flow_cpu =
1791                                       rte_be_to_cpu_32(ipv6_spec->hdr.vtc_flow);
1792                                 filter->input.ip.v6.tc =
1793                                         (uint8_t)(vtc_flow_cpu >>
1794                                                   ICE_FDIR_IPV6_TC_OFFSET);
1795                                 filter->input.ip.v6.proto =
1796                                         ipv6_spec->hdr.proto;
1797                                 filter->input.ip.v6.hlim =
1798                                         ipv6_spec->hdr.hop_limits;
1799                         }
1800
1801                         flow_type = ICE_FLTR_PTYPE_NONF_IPV6_OTHER;
1802                         break;
1803                 case RTE_FLOW_ITEM_TYPE_TCP:
1804                         tcp_spec = item->spec;
1805                         tcp_mask = item->mask;
1806
1807                         if (l3 == RTE_FLOW_ITEM_TYPE_IPV4)
1808                                 flow_type = ICE_FLTR_PTYPE_NONF_IPV4_TCP;
1809                         else if (l3 == RTE_FLOW_ITEM_TYPE_IPV6)
1810                                 flow_type = ICE_FLTR_PTYPE_NONF_IPV6_TCP;
1811
1812                         if (tcp_spec && tcp_mask) {
1813                                 /* Check TCP mask and update input set */
1814                                 if (tcp_mask->hdr.sent_seq ||
1815                                     tcp_mask->hdr.recv_ack ||
1816                                     tcp_mask->hdr.data_off ||
1817                                     tcp_mask->hdr.tcp_flags ||
1818                                     tcp_mask->hdr.rx_win ||
1819                                     tcp_mask->hdr.cksum ||
1820                                     tcp_mask->hdr.tcp_urp) {
1821                                         rte_flow_error_set(error, EINVAL,
1822                                                    RTE_FLOW_ERROR_TYPE_ITEM,
1823                                                    item,
1824                                                    "Invalid TCP mask");
1825                                         return -rte_errno;
1826                                 }
1827
1828                                 if (tcp_mask->hdr.src_port == UINT16_MAX)
1829                                         input_set |= tunnel_type ?
1830                                                      ICE_INSET_TUN_TCP_SRC_PORT :
1831                                                      ICE_INSET_TCP_SRC_PORT;
1832                                 if (tcp_mask->hdr.dst_port == UINT16_MAX)
1833                                         input_set |= tunnel_type ?
1834                                                      ICE_INSET_TUN_TCP_DST_PORT :
1835                                                      ICE_INSET_TCP_DST_PORT;
1836
1837                                 /* Get filter info */
1838                                 if (l3 == RTE_FLOW_ITEM_TYPE_IPV4) {
1839                                         filter->input.ip.v4.dst_port =
1840                                                 tcp_spec->hdr.dst_port;
1841                                         filter->input.ip.v4.src_port =
1842                                                 tcp_spec->hdr.src_port;
1843                                 } else if (l3 == RTE_FLOW_ITEM_TYPE_IPV6) {
1844                                         filter->input.ip.v6.dst_port =
1845                                                 tcp_spec->hdr.dst_port;
1846                                         filter->input.ip.v6.src_port =
1847                                                 tcp_spec->hdr.src_port;
1848                                 }
1849                         }
1850                         break;
1851                 case RTE_FLOW_ITEM_TYPE_UDP:
1852                         udp_spec = item->spec;
1853                         udp_mask = item->mask;
1854
1855                         if (l3 == RTE_FLOW_ITEM_TYPE_IPV4)
1856                                 flow_type = ICE_FLTR_PTYPE_NONF_IPV4_UDP;
1857                         else if (l3 == RTE_FLOW_ITEM_TYPE_IPV6)
1858                                 flow_type = ICE_FLTR_PTYPE_NONF_IPV6_UDP;
1859
1860                         if (udp_spec && udp_mask) {
1861                                 /* Check UDP mask and update input set*/
1862                                 if (udp_mask->hdr.dgram_len ||
1863                                     udp_mask->hdr.dgram_cksum) {
1864                                         rte_flow_error_set(error, EINVAL,
1865                                                    RTE_FLOW_ERROR_TYPE_ITEM,
1866                                                    item,
1867                                                    "Invalid UDP mask");
1868                                         return -rte_errno;
1869                                 }
1870
1871                                 if (udp_mask->hdr.src_port == UINT16_MAX)
1872                                         input_set |= tunnel_type ?
1873                                                      ICE_INSET_TUN_UDP_SRC_PORT :
1874                                                      ICE_INSET_UDP_SRC_PORT;
1875                                 if (udp_mask->hdr.dst_port == UINT16_MAX)
1876                                         input_set |= tunnel_type ?
1877                                                      ICE_INSET_TUN_UDP_DST_PORT :
1878                                                      ICE_INSET_UDP_DST_PORT;
1879
1880                                 /* Get filter info */
1881                                 if (l3 == RTE_FLOW_ITEM_TYPE_IPV4) {
1882                                         filter->input.ip.v4.dst_port =
1883                                                 udp_spec->hdr.dst_port;
1884                                         filter->input.ip.v4.src_port =
1885                                                 udp_spec->hdr.src_port;
1886                                 } else if (l3 == RTE_FLOW_ITEM_TYPE_IPV6) {
1887                                         filter->input.ip.v6.src_port =
1888                                                 udp_spec->hdr.src_port;
1889                                         filter->input.ip.v6.dst_port =
1890                                                 udp_spec->hdr.dst_port;
1891                                 }
1892                         }
1893                         break;
1894                 case RTE_FLOW_ITEM_TYPE_SCTP:
1895                         sctp_spec = item->spec;
1896                         sctp_mask = item->mask;
1897
1898                         if (l3 == RTE_FLOW_ITEM_TYPE_IPV4)
1899                                 flow_type = ICE_FLTR_PTYPE_NONF_IPV4_SCTP;
1900                         else if (l3 == RTE_FLOW_ITEM_TYPE_IPV6)
1901                                 flow_type = ICE_FLTR_PTYPE_NONF_IPV6_SCTP;
1902
1903                         if (sctp_spec && sctp_mask) {
1904                                 /* Check SCTP mask and update input set */
1905                                 if (sctp_mask->hdr.cksum) {
1906                                         rte_flow_error_set(error, EINVAL,
1907                                                    RTE_FLOW_ERROR_TYPE_ITEM,
1908                                                    item,
1909                                                    "Invalid UDP mask");
1910                                         return -rte_errno;
1911                                 }
1912
1913                                 if (sctp_mask->hdr.src_port == UINT16_MAX)
1914                                         input_set |= tunnel_type ?
1915                                                      ICE_INSET_TUN_SCTP_SRC_PORT :
1916                                                      ICE_INSET_SCTP_SRC_PORT;
1917                                 if (sctp_mask->hdr.dst_port == UINT16_MAX)
1918                                         input_set |= tunnel_type ?
1919                                                      ICE_INSET_TUN_SCTP_DST_PORT :
1920                                                      ICE_INSET_SCTP_DST_PORT;
1921
1922                                 /* Get filter info */
1923                                 if (l3 == RTE_FLOW_ITEM_TYPE_IPV4) {
1924                                         filter->input.ip.v4.dst_port =
1925                                                 sctp_spec->hdr.dst_port;
1926                                         filter->input.ip.v4.src_port =
1927                                                 sctp_spec->hdr.src_port;
1928                                 } else if (l3 == RTE_FLOW_ITEM_TYPE_IPV6) {
1929                                         filter->input.ip.v6.dst_port =
1930                                                 sctp_spec->hdr.dst_port;
1931                                         filter->input.ip.v6.src_port =
1932                                                 sctp_spec->hdr.src_port;
1933                                 }
1934                         }
1935                         break;
1936                 case RTE_FLOW_ITEM_TYPE_VOID:
1937                         break;
1938                 case RTE_FLOW_ITEM_TYPE_VXLAN:
1939                         l3 = RTE_FLOW_ITEM_TYPE_END;
1940                         vxlan_spec = item->spec;
1941                         vxlan_mask = item->mask;
1942
1943                         if (vxlan_spec || vxlan_mask) {
1944                                 rte_flow_error_set(error, EINVAL,
1945                                                    RTE_FLOW_ERROR_TYPE_ITEM,
1946                                                    item,
1947                                                    "Invalid vxlan field");
1948                                 return -rte_errno;
1949                         }
1950
1951                         tunnel_type = ICE_FDIR_TUNNEL_TYPE_VXLAN;
1952                         break;
1953                 case RTE_FLOW_ITEM_TYPE_GTPU:
1954                         l3 = RTE_FLOW_ITEM_TYPE_END;
1955                         gtp_spec = item->spec;
1956                         gtp_mask = item->mask;
1957
1958                         if (gtp_spec && gtp_mask) {
1959                                 if (gtp_mask->v_pt_rsv_flags ||
1960                                     gtp_mask->msg_type ||
1961                                     gtp_mask->msg_len) {
1962                                         rte_flow_error_set(error, EINVAL,
1963                                                    RTE_FLOW_ERROR_TYPE_ITEM,
1964                                                    item,
1965                                                    "Invalid GTP mask");
1966                                         return -rte_errno;
1967                                 }
1968
1969                                 if (gtp_mask->teid == UINT32_MAX)
1970                                         input_set |= ICE_INSET_GTPU_TEID;
1971
1972                                 filter->input.gtpu_data.teid = gtp_spec->teid;
1973                         }
1974
1975                         tunnel_type = ICE_FDIR_TUNNEL_TYPE_GTPU;
1976                         break;
1977                 case RTE_FLOW_ITEM_TYPE_GTP_PSC:
1978                         gtp_psc_spec = item->spec;
1979                         gtp_psc_mask = item->mask;
1980
1981                         if (gtp_psc_spec && gtp_psc_mask) {
1982                                 if (gtp_psc_mask->qfi == UINT8_MAX)
1983                                         input_set |= ICE_INSET_GTPU_QFI;
1984
1985                                 filter->input.gtpu_data.qfi =
1986                                         gtp_psc_spec->qfi;
1987                         }
1988                         tunnel_type = ICE_FDIR_TUNNEL_TYPE_GTPU_EH;
1989                         break;
1990                 default:
1991                         rte_flow_error_set(error, EINVAL,
1992                                    RTE_FLOW_ERROR_TYPE_ITEM,
1993                                    item,
1994                                    "Invalid pattern item.");
1995                         return -rte_errno;
1996                 }
1997         }
1998
1999         if (tunnel_type == ICE_FDIR_TUNNEL_TYPE_GTPU &&
2000                 flow_type == ICE_FLTR_PTYPE_NONF_IPV4_UDP)
2001                 flow_type = ICE_FLTR_PTYPE_NONF_IPV4_GTPU_IPV4_OTHER;
2002         else if (tunnel_type == ICE_FDIR_TUNNEL_TYPE_GTPU_EH &&
2003                 flow_type == ICE_FLTR_PTYPE_NONF_IPV4_UDP)
2004                 flow_type = ICE_FLTR_PTYPE_NONF_IPV4_GTPU_EH_IPV4_OTHER;
2005         else if (tunnel_type == ICE_FDIR_TUNNEL_TYPE_GTPU &&
2006                 flow_type == ICE_FLTR_PTYPE_NONF_IPV6_UDP)
2007                 flow_type = ICE_FLTR_PTYPE_NONF_IPV6_GTPU_IPV6_OTHER;
2008         else if (tunnel_type == ICE_FDIR_TUNNEL_TYPE_GTPU_EH &&
2009                 flow_type == ICE_FLTR_PTYPE_NONF_IPV6_UDP)
2010                 flow_type = ICE_FLTR_PTYPE_NONF_IPV6_GTPU_EH_IPV6_OTHER;
2011
2012         filter->tunnel_type = tunnel_type;
2013         filter->input.flow_type = flow_type;
2014         filter->input_set = input_set;
2015
2016         return 0;
2017 }
2018
2019 static int
2020 ice_fdir_parse(struct ice_adapter *ad,
2021                struct ice_pattern_match_item *array,
2022                uint32_t array_len,
2023                const struct rte_flow_item pattern[],
2024                const struct rte_flow_action actions[],
2025                void **meta,
2026                struct rte_flow_error *error)
2027 {
2028         struct ice_pf *pf = &ad->pf;
2029         struct ice_fdir_filter_conf *filter = &pf->fdir.conf;
2030         struct ice_pattern_match_item *item = NULL;
2031         uint64_t input_set;
2032         int ret;
2033
2034         memset(filter, 0, sizeof(*filter));
2035         item = ice_search_pattern_match_item(pattern, array, array_len, error);
2036         if (!item)
2037                 return -rte_errno;
2038
2039         ret = ice_fdir_parse_pattern(ad, pattern, error, filter);
2040         if (ret)
2041                 goto error;
2042         input_set = filter->input_set | filter->outer_input_set;
2043         if (!input_set || input_set & ~item->input_set_mask) {
2044                 rte_flow_error_set(error, EINVAL,
2045                                    RTE_FLOW_ERROR_TYPE_ITEM_SPEC,
2046                                    pattern,
2047                                    "Invalid input set");
2048                 ret = -rte_errno;
2049                 goto error;
2050         }
2051
2052         ret = ice_fdir_parse_action(ad, actions, error, filter);
2053         if (ret)
2054                 goto error;
2055
2056         if (meta)
2057                 *meta = filter;
2058 error:
2059         rte_free(item);
2060         return ret;
2061 }
2062
2063 static struct ice_flow_parser ice_fdir_parser_os = {
2064         .engine = &ice_fdir_engine,
2065         .array = ice_fdir_pattern_os,
2066         .array_len = RTE_DIM(ice_fdir_pattern_os),
2067         .parse_pattern_action = ice_fdir_parse,
2068         .stage = ICE_FLOW_STAGE_DISTRIBUTOR,
2069 };
2070
2071 static struct ice_flow_parser ice_fdir_parser_comms = {
2072         .engine = &ice_fdir_engine,
2073         .array = ice_fdir_pattern_comms,
2074         .array_len = RTE_DIM(ice_fdir_pattern_comms),
2075         .parse_pattern_action = ice_fdir_parse,
2076         .stage = ICE_FLOW_STAGE_DISTRIBUTOR,
2077 };
2078
2079 RTE_INIT(ice_fdir_engine_register)
2080 {
2081         ice_register_flow_engine(&ice_fdir_engine);
2082 }