0905d744cc7016d3504f7fb21119008b67406f47
[dpdk.git] / drivers / event / cnxk / cn9k_worker.h
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright(C) 2021 Marvell.
3  */
4
5 #ifndef __CN9K_WORKER_H__
6 #define __CN9K_WORKER_H__
7
8 #include <rte_eventdev.h>
9 #include <rte_vect.h>
10
11 #include "cnxk_ethdev.h"
12 #include "cnxk_eventdev.h"
13 #include "cnxk_worker.h"
14 #include "cn9k_cryptodev_ops.h"
15
16 #include "cn9k_ethdev.h"
17 #include "cn9k_rx.h"
18 #include "cn9k_tx.h"
19
20 /* SSO Operations */
21
22 static __rte_always_inline uint8_t
23 cn9k_sso_hws_new_event(struct cn9k_sso_hws *ws, const struct rte_event *ev)
24 {
25         const uint32_t tag = (uint32_t)ev->event;
26         const uint8_t new_tt = ev->sched_type;
27         const uint64_t event_ptr = ev->u64;
28         const uint16_t grp = ev->queue_id;
29
30         rte_atomic_thread_fence(__ATOMIC_ACQ_REL);
31         if (ws->xaq_lmt <= *ws->fc_mem)
32                 return 0;
33
34         cnxk_sso_hws_add_work(event_ptr, tag, new_tt,
35                               ws->grp_base + (grp << 12));
36         return 1;
37 }
38
39 static __rte_always_inline void
40 cn9k_sso_hws_fwd_swtag(uint64_t base, const struct rte_event *ev)
41 {
42         const uint32_t tag = (uint32_t)ev->event;
43         const uint8_t new_tt = ev->sched_type;
44         const uint8_t cur_tt =
45                 CNXK_TT_FROM_TAG(plt_read64(base + SSOW_LF_GWS_TAG));
46
47         /* CNXK model
48          * cur_tt/new_tt     SSO_TT_ORDERED SSO_TT_ATOMIC SSO_TT_UNTAGGED
49          *
50          * SSO_TT_ORDERED        norm           norm             untag
51          * SSO_TT_ATOMIC         norm           norm               untag
52          * SSO_TT_UNTAGGED       norm           norm             NOOP
53          */
54
55         if (new_tt == SSO_TT_UNTAGGED) {
56                 if (cur_tt != SSO_TT_UNTAGGED)
57                         cnxk_sso_hws_swtag_untag(base +
58                                                  SSOW_LF_GWS_OP_SWTAG_UNTAG);
59         } else {
60                 cnxk_sso_hws_swtag_norm(tag, new_tt,
61                                         base + SSOW_LF_GWS_OP_SWTAG_NORM);
62         }
63 }
64
65 static __rte_always_inline void
66 cn9k_sso_hws_new_event_wait(struct cn9k_sso_hws *ws, const struct rte_event *ev)
67 {
68         const uint32_t tag = (uint32_t)ev->event;
69         const uint8_t new_tt = ev->sched_type;
70         const uint64_t event_ptr = ev->u64;
71         const uint16_t grp = ev->queue_id;
72
73         while (ws->xaq_lmt <= __atomic_load_n(ws->fc_mem, __ATOMIC_RELAXED))
74                 ;
75
76         cnxk_sso_hws_add_work(event_ptr, tag, new_tt,
77                               ws->grp_base + (grp << 12));
78 }
79
80 static __rte_always_inline void
81 cn9k_sso_hws_forward_event(struct cn9k_sso_hws *ws, const struct rte_event *ev)
82 {
83         const uint8_t grp = ev->queue_id;
84
85         /* Group hasn't changed, Use SWTAG to forward the event */
86         if (CNXK_GRP_FROM_TAG(plt_read64(ws->base + SSOW_LF_GWS_TAG)) == grp) {
87                 cn9k_sso_hws_fwd_swtag(ws->base, ev);
88                 ws->swtag_req = 1;
89         } else {
90                 /*
91                  * Group has been changed for group based work pipelining,
92                  * Use add_work operation to transfer the event to
93                  * new group/core
94                  */
95                 rte_atomic_thread_fence(__ATOMIC_RELEASE);
96                 roc_sso_hws_head_wait(ws->base);
97                 cn9k_sso_hws_new_event_wait(ws, ev);
98         }
99 }
100
101 /* Dual ws ops. */
102
103 static __rte_always_inline uint8_t
104 cn9k_sso_hws_dual_new_event(struct cn9k_sso_hws_dual *dws,
105                             const struct rte_event *ev)
106 {
107         const uint32_t tag = (uint32_t)ev->event;
108         const uint8_t new_tt = ev->sched_type;
109         const uint64_t event_ptr = ev->u64;
110         const uint16_t grp = ev->queue_id;
111
112         rte_atomic_thread_fence(__ATOMIC_ACQ_REL);
113         if (dws->xaq_lmt <= *dws->fc_mem)
114                 return 0;
115
116         cnxk_sso_hws_add_work(event_ptr, tag, new_tt,
117                               dws->grp_base + (grp << 12));
118         return 1;
119 }
120
121 static __rte_always_inline void
122 cn9k_sso_hws_dual_new_event_wait(struct cn9k_sso_hws_dual *dws,
123                                  const struct rte_event *ev)
124 {
125         const uint32_t tag = (uint32_t)ev->event;
126         const uint8_t new_tt = ev->sched_type;
127         const uint64_t event_ptr = ev->u64;
128         const uint16_t grp = ev->queue_id;
129
130         while (dws->xaq_lmt <= __atomic_load_n(dws->fc_mem, __ATOMIC_RELAXED))
131                 ;
132
133         cnxk_sso_hws_add_work(event_ptr, tag, new_tt,
134                               dws->grp_base + (grp << 12));
135 }
136
137 static __rte_always_inline void
138 cn9k_sso_hws_dual_forward_event(struct cn9k_sso_hws_dual *dws, uint64_t base,
139                                 const struct rte_event *ev)
140 {
141         const uint8_t grp = ev->queue_id;
142
143         /* Group hasn't changed, Use SWTAG to forward the event */
144         if (CNXK_GRP_FROM_TAG(plt_read64(base + SSOW_LF_GWS_TAG)) == grp) {
145                 cn9k_sso_hws_fwd_swtag(base, ev);
146                 dws->swtag_req = 1;
147         } else {
148                 /*
149                  * Group has been changed for group based work pipelining,
150                  * Use add_work operation to transfer the event to
151                  * new group/core
152                  */
153                 rte_atomic_thread_fence(__ATOMIC_RELEASE);
154                 roc_sso_hws_head_wait(base);
155                 cn9k_sso_hws_dual_new_event_wait(dws, ev);
156         }
157 }
158
159 static __rte_always_inline void
160 cn9k_wqe_to_mbuf(uint64_t wqe, const uint64_t mbuf, uint8_t port_id,
161                  const uint32_t tag, const uint32_t flags,
162                  const void *const lookup_mem)
163 {
164         const uint64_t mbuf_init = 0x100010000ULL | RTE_PKTMBUF_HEADROOM |
165                                    (flags & NIX_RX_OFFLOAD_TSTAMP_F ? 8 : 0);
166
167         cn9k_nix_cqe_to_mbuf((struct nix_cqe_hdr_s *)wqe, tag,
168                              (struct rte_mbuf *)mbuf, lookup_mem,
169                              mbuf_init | ((uint64_t)port_id) << 48, flags);
170 }
171
172 static __rte_always_inline uint16_t
173 cn9k_sso_hws_dual_get_work(uint64_t base, uint64_t pair_base,
174                            struct rte_event *ev, const uint32_t flags,
175                            struct cn9k_sso_hws_dual *dws)
176 {
177         union {
178                 __uint128_t get_work;
179                 uint64_t u64[2];
180         } gw;
181         uint64_t tstamp_ptr;
182         uint64_t mbuf;
183
184         if (flags & NIX_RX_OFFLOAD_PTYPE_F)
185                 rte_prefetch_non_temporal(dws->lookup_mem);
186 #ifdef RTE_ARCH_ARM64
187         asm volatile(PLT_CPU_FEATURE_PREAMBLE
188                      "rty%=:                                    \n"
189                      "          ldr %[tag], [%[tag_loc]]        \n"
190                      "          ldr %[wqp], [%[wqp_loc]]        \n"
191                      "          tbnz %[tag], 63, rty%=          \n"
192                      "done%=:   str %[gw], [%[pong]]            \n"
193                      "          dmb ld                          \n"
194                      "          sub %[mbuf], %[wqp], #0x80      \n"
195                      "          prfm pldl1keep, [%[mbuf]]       \n"
196                      : [tag] "=&r"(gw.u64[0]), [wqp] "=&r"(gw.u64[1]),
197                        [mbuf] "=&r"(mbuf)
198                      : [tag_loc] "r"(base + SSOW_LF_GWS_TAG),
199                        [wqp_loc] "r"(base + SSOW_LF_GWS_WQP), [gw] "r"(dws->gw_wdata),
200                        [pong] "r"(pair_base + SSOW_LF_GWS_OP_GET_WORK0));
201 #else
202         gw.u64[0] = plt_read64(base + SSOW_LF_GWS_TAG);
203         while ((BIT_ULL(63)) & gw.u64[0])
204                 gw.u64[0] = plt_read64(base + SSOW_LF_GWS_TAG);
205         gw.u64[1] = plt_read64(base + SSOW_LF_GWS_WQP);
206         plt_write64(dws->gw_wdata, pair_base + SSOW_LF_GWS_OP_GET_WORK0);
207         mbuf = (uint64_t)((char *)gw.u64[1] - sizeof(struct rte_mbuf));
208 #endif
209
210         gw.u64[0] = (gw.u64[0] & (0x3ull << 32)) << 6 |
211                     (gw.u64[0] & (0x3FFull << 36)) << 4 |
212                     (gw.u64[0] & 0xffffffff);
213
214         if (CNXK_TT_FROM_EVENT(gw.u64[0]) != SSO_TT_EMPTY) {
215                 if ((flags & CPT_RX_WQE_F) &&
216                     (CNXK_EVENT_TYPE_FROM_TAG(gw.u64[0]) ==
217                      RTE_EVENT_TYPE_CRYPTODEV)) {
218                         gw.u64[1] = cn9k_cpt_crypto_adapter_dequeue(gw.u64[1]);
219                 } else if (CNXK_EVENT_TYPE_FROM_TAG(gw.u64[0]) ==
220                            RTE_EVENT_TYPE_ETHDEV) {
221                         uint8_t port = CNXK_SUB_EVENT_FROM_TAG(gw.u64[0]);
222
223                         gw.u64[0] = CNXK_CLR_SUB_EVENT(gw.u64[0]);
224                         cn9k_wqe_to_mbuf(gw.u64[1], mbuf, port,
225                                          gw.u64[0] & 0xFFFFF, flags,
226                                          dws->lookup_mem);
227                         /* Extracting tstamp, if PTP enabled*/
228                         tstamp_ptr = *(uint64_t *)(((struct nix_wqe_hdr_s *)
229                                                             gw.u64[1]) +
230                                                    CNXK_SSO_WQE_SG_PTR);
231                         cnxk_nix_mbuf_to_tstamp((struct rte_mbuf *)mbuf,
232                                                 dws->tstamp,
233                                                 flags & NIX_RX_OFFLOAD_TSTAMP_F,
234                                                 flags & NIX_RX_MULTI_SEG_F,
235                                                 (uint64_t *)tstamp_ptr);
236                         gw.u64[1] = mbuf;
237                 }
238         }
239
240         ev->event = gw.u64[0];
241         ev->u64 = gw.u64[1];
242
243         return !!gw.u64[1];
244 }
245
246 static __rte_always_inline uint16_t
247 cn9k_sso_hws_get_work(struct cn9k_sso_hws *ws, struct rte_event *ev,
248                       const uint32_t flags, const void *const lookup_mem)
249 {
250         union {
251                 __uint128_t get_work;
252                 uint64_t u64[2];
253         } gw;
254         uint64_t tstamp_ptr;
255         uint64_t mbuf;
256
257         plt_write64(ws->gw_wdata, ws->base + SSOW_LF_GWS_OP_GET_WORK0);
258
259         if (flags & NIX_RX_OFFLOAD_PTYPE_F)
260                 rte_prefetch_non_temporal(lookup_mem);
261 #ifdef RTE_ARCH_ARM64
262         asm volatile(PLT_CPU_FEATURE_PREAMBLE
263                      "          ldr %[tag], [%[tag_loc]]        \n"
264                      "          ldr %[wqp], [%[wqp_loc]]        \n"
265                      "          tbz %[tag], 63, done%=          \n"
266                      "          sevl                            \n"
267                      "rty%=:    wfe                             \n"
268                      "          ldr %[tag], [%[tag_loc]]        \n"
269                      "          ldr %[wqp], [%[wqp_loc]]        \n"
270                      "          tbnz %[tag], 63, rty%=          \n"
271                      "done%=:   dmb ld                          \n"
272                      "          sub %[mbuf], %[wqp], #0x80      \n"
273                      "          prfm pldl1keep, [%[mbuf]]       \n"
274                      : [tag] "=&r"(gw.u64[0]), [wqp] "=&r"(gw.u64[1]),
275                        [mbuf] "=&r"(mbuf)
276                      : [tag_loc] "r"(ws->base + SSOW_LF_GWS_TAG),
277                        [wqp_loc] "r"(ws->base + SSOW_LF_GWS_WQP));
278 #else
279         gw.u64[0] = plt_read64(ws->base + SSOW_LF_GWS_TAG);
280         while ((BIT_ULL(63)) & gw.u64[0])
281                 gw.u64[0] = plt_read64(ws->base + SSOW_LF_GWS_TAG);
282
283         gw.u64[1] = plt_read64(ws->base + SSOW_LF_GWS_WQP);
284         mbuf = (uint64_t)((char *)gw.u64[1] - sizeof(struct rte_mbuf));
285 #endif
286
287         gw.u64[0] = (gw.u64[0] & (0x3ull << 32)) << 6 |
288                     (gw.u64[0] & (0x3FFull << 36)) << 4 |
289                     (gw.u64[0] & 0xffffffff);
290
291         if (CNXK_TT_FROM_EVENT(gw.u64[0]) != SSO_TT_EMPTY) {
292                 if ((flags & CPT_RX_WQE_F) &&
293                     (CNXK_EVENT_TYPE_FROM_TAG(gw.u64[0]) ==
294                      RTE_EVENT_TYPE_CRYPTODEV)) {
295                         gw.u64[1] = cn9k_cpt_crypto_adapter_dequeue(gw.u64[1]);
296                 } else if (CNXK_EVENT_TYPE_FROM_TAG(gw.u64[0]) ==
297                            RTE_EVENT_TYPE_ETHDEV) {
298                         uint8_t port = CNXK_SUB_EVENT_FROM_TAG(gw.u64[0]);
299
300                         gw.u64[0] = CNXK_CLR_SUB_EVENT(gw.u64[0]);
301                         cn9k_wqe_to_mbuf(gw.u64[1], mbuf, port,
302                                          gw.u64[0] & 0xFFFFF, flags,
303                                          lookup_mem);
304                         /* Extracting tstamp, if PTP enabled*/
305                         tstamp_ptr = *(uint64_t *)(((struct nix_wqe_hdr_s *)
306                                                             gw.u64[1]) +
307                                                    CNXK_SSO_WQE_SG_PTR);
308                         cnxk_nix_mbuf_to_tstamp((struct rte_mbuf *)mbuf,
309                                                 ws->tstamp,
310                                                 flags & NIX_RX_OFFLOAD_TSTAMP_F,
311                                                 flags & NIX_RX_MULTI_SEG_F,
312                                                 (uint64_t *)tstamp_ptr);
313                         gw.u64[1] = mbuf;
314                 }
315         }
316
317         ev->event = gw.u64[0];
318         ev->u64 = gw.u64[1];
319
320         return !!gw.u64[1];
321 }
322
323 /* Used in cleaning up workslot. */
324 static __rte_always_inline uint16_t
325 cn9k_sso_hws_get_work_empty(uint64_t base, struct rte_event *ev)
326 {
327         union {
328                 __uint128_t get_work;
329                 uint64_t u64[2];
330         } gw;
331         uint64_t mbuf;
332
333 #ifdef RTE_ARCH_ARM64
334         asm volatile(PLT_CPU_FEATURE_PREAMBLE
335                      "          ldr %[tag], [%[tag_loc]]        \n"
336                      "          ldr %[wqp], [%[wqp_loc]]        \n"
337                      "          tbz %[tag], 63, done%=          \n"
338                      "          sevl                            \n"
339                      "rty%=:    wfe                             \n"
340                      "          ldr %[tag], [%[tag_loc]]        \n"
341                      "          ldr %[wqp], [%[wqp_loc]]        \n"
342                      "          tbnz %[tag], 63, rty%=          \n"
343                      "done%=:   dmb ld                          \n"
344                      "          sub %[mbuf], %[wqp], #0x80      \n"
345                      : [tag] "=&r"(gw.u64[0]), [wqp] "=&r"(gw.u64[1]),
346                        [mbuf] "=&r"(mbuf)
347                      : [tag_loc] "r"(base + SSOW_LF_GWS_TAG),
348                        [wqp_loc] "r"(base + SSOW_LF_GWS_WQP));
349 #else
350         gw.u64[0] = plt_read64(base + SSOW_LF_GWS_TAG);
351         while ((BIT_ULL(63)) & gw.u64[0])
352                 gw.u64[0] = plt_read64(base + SSOW_LF_GWS_TAG);
353
354         gw.u64[1] = plt_read64(base + SSOW_LF_GWS_WQP);
355         mbuf = (uint64_t)((char *)gw.u64[1] - sizeof(struct rte_mbuf));
356 #endif
357
358         gw.u64[0] = (gw.u64[0] & (0x3ull << 32)) << 6 |
359                     (gw.u64[0] & (0x3FFull << 36)) << 4 |
360                     (gw.u64[0] & 0xffffffff);
361
362         if (CNXK_TT_FROM_EVENT(gw.u64[0]) != SSO_TT_EMPTY) {
363                 if (CNXK_EVENT_TYPE_FROM_TAG(gw.u64[0]) ==
364                     RTE_EVENT_TYPE_ETHDEV) {
365                         uint8_t port = CNXK_SUB_EVENT_FROM_TAG(gw.u64[0]);
366
367                         gw.u64[0] = CNXK_CLR_SUB_EVENT(gw.u64[0]);
368                         cn9k_wqe_to_mbuf(gw.u64[1], mbuf, port,
369                                          gw.u64[0] & 0xFFFFF, 0, NULL);
370                         gw.u64[1] = mbuf;
371                 }
372         }
373
374         ev->event = gw.u64[0];
375         ev->u64 = gw.u64[1];
376
377         return !!gw.u64[1];
378 }
379
380 /* CN9K Fastpath functions. */
381 uint16_t __rte_hot cn9k_sso_hws_enq(void *port, const struct rte_event *ev);
382 uint16_t __rte_hot cn9k_sso_hws_enq_burst(void *port,
383                                           const struct rte_event ev[],
384                                           uint16_t nb_events);
385 uint16_t __rte_hot cn9k_sso_hws_enq_new_burst(void *port,
386                                               const struct rte_event ev[],
387                                               uint16_t nb_events);
388 uint16_t __rte_hot cn9k_sso_hws_enq_fwd_burst(void *port,
389                                               const struct rte_event ev[],
390                                               uint16_t nb_events);
391
392 uint16_t __rte_hot cn9k_sso_hws_dual_enq(void *port,
393                                          const struct rte_event *ev);
394 uint16_t __rte_hot cn9k_sso_hws_dual_enq_burst(void *port,
395                                                const struct rte_event ev[],
396                                                uint16_t nb_events);
397 uint16_t __rte_hot cn9k_sso_hws_dual_enq_new_burst(void *port,
398                                                    const struct rte_event ev[],
399                                                    uint16_t nb_events);
400 uint16_t __rte_hot cn9k_sso_hws_dual_enq_fwd_burst(void *port,
401                                                    const struct rte_event ev[],
402                                                    uint16_t nb_events);
403 uint16_t __rte_hot cn9k_sso_hws_ca_enq(void *port, struct rte_event ev[],
404                                        uint16_t nb_events);
405 uint16_t __rte_hot cn9k_sso_hws_dual_ca_enq(void *port, struct rte_event ev[],
406                                             uint16_t nb_events);
407
408 #define R(name, flags)                                                         \
409         uint16_t __rte_hot cn9k_sso_hws_deq_##name(                            \
410                 void *port, struct rte_event *ev, uint64_t timeout_ticks);     \
411         uint16_t __rte_hot cn9k_sso_hws_deq_burst_##name(                      \
412                 void *port, struct rte_event ev[], uint16_t nb_events,         \
413                 uint64_t timeout_ticks);                                       \
414         uint16_t __rte_hot cn9k_sso_hws_deq_tmo_##name(                        \
415                 void *port, struct rte_event *ev, uint64_t timeout_ticks);     \
416         uint16_t __rte_hot cn9k_sso_hws_deq_tmo_burst_##name(                  \
417                 void *port, struct rte_event ev[], uint16_t nb_events,         \
418                 uint64_t timeout_ticks);                                       \
419         uint16_t __rte_hot cn9k_sso_hws_deq_ca_##name(                         \
420                 void *port, struct rte_event *ev, uint64_t timeout_ticks);     \
421         uint16_t __rte_hot cn9k_sso_hws_deq_ca_burst_##name(                   \
422                 void *port, struct rte_event ev[], uint16_t nb_events,         \
423                 uint64_t timeout_ticks);                                       \
424         uint16_t __rte_hot cn9k_sso_hws_deq_tmo_ca_##name(                     \
425                 void *port, struct rte_event *ev, uint64_t timeout_ticks);     \
426         uint16_t __rte_hot cn9k_sso_hws_deq_tmo_ca_burst_##name(               \
427                 void *port, struct rte_event ev[], uint16_t nb_events,         \
428                 uint64_t timeout_ticks);                                       \
429         uint16_t __rte_hot cn9k_sso_hws_deq_seg_##name(                        \
430                 void *port, struct rte_event *ev, uint64_t timeout_ticks);     \
431         uint16_t __rte_hot cn9k_sso_hws_deq_seg_burst_##name(                  \
432                 void *port, struct rte_event ev[], uint16_t nb_events,         \
433                 uint64_t timeout_ticks);                                       \
434         uint16_t __rte_hot cn9k_sso_hws_deq_tmo_seg_##name(                    \
435                 void *port, struct rte_event *ev, uint64_t timeout_ticks);     \
436         uint16_t __rte_hot cn9k_sso_hws_deq_tmo_seg_burst_##name(              \
437                 void *port, struct rte_event ev[], uint16_t nb_events,         \
438                 uint64_t timeout_ticks);                                       \
439         uint16_t __rte_hot cn9k_sso_hws_deq_ca_seg_##name(                     \
440                 void *port, struct rte_event *ev, uint64_t timeout_ticks);     \
441         uint16_t __rte_hot cn9k_sso_hws_deq_ca_seg_burst_##name(               \
442                 void *port, struct rte_event ev[], uint16_t nb_events,         \
443                 uint64_t timeout_ticks);                                       \
444         uint16_t __rte_hot cn9k_sso_hws_deq_tmo_ca_seg_##name(                 \
445                 void *port, struct rte_event *ev, uint64_t timeout_ticks);     \
446         uint16_t __rte_hot cn9k_sso_hws_deq_tmo_ca_seg_burst_##name(           \
447                 void *port, struct rte_event ev[], uint16_t nb_events,         \
448                 uint64_t timeout_ticks);
449
450 NIX_RX_FASTPATH_MODES
451 #undef R
452
453 #define SSO_DEQ(fn, flags)                                                     \
454         uint16_t __rte_hot fn(void *port, struct rte_event *ev,                \
455                               uint64_t timeout_ticks)                          \
456         {                                                                      \
457                 struct cn9k_sso_hws *ws = port;                                \
458                 RTE_SET_USED(timeout_ticks);                                   \
459                 if (ws->swtag_req) {                                           \
460                         ws->swtag_req = 0;                                     \
461                         cnxk_sso_hws_swtag_wait(ws->base + SSOW_LF_GWS_TAG);   \
462                         return 1;                                              \
463                 }                                                              \
464                 return cn9k_sso_hws_get_work(ws, ev, flags, ws->lookup_mem);   \
465         }
466
467 #define SSO_DEQ_SEG(fn, flags)    SSO_DEQ(fn, flags | NIX_RX_MULTI_SEG_F)
468 #define SSO_DEQ_CA(fn, flags)     SSO_DEQ(fn, flags | CPT_RX_WQE_F)
469 #define SSO_DEQ_CA_SEG(fn, flags) SSO_DEQ_SEG(fn, flags | CPT_RX_WQE_F)
470
471 #define SSO_DEQ_TMO(fn, flags)                                                 \
472         uint16_t __rte_hot fn(void *port, struct rte_event *ev,                \
473                               uint64_t timeout_ticks)                          \
474         {                                                                      \
475                 struct cn9k_sso_hws *ws = port;                                \
476                 uint16_t ret = 1;                                              \
477                 uint64_t iter;                                                 \
478                 if (ws->swtag_req) {                                           \
479                         ws->swtag_req = 0;                                     \
480                         cnxk_sso_hws_swtag_wait(ws->base + SSOW_LF_GWS_TAG);   \
481                         return ret;                                            \
482                 }                                                              \
483                 ret = cn9k_sso_hws_get_work(ws, ev, flags, ws->lookup_mem);    \
484                 for (iter = 1; iter < timeout_ticks && (ret == 0); iter++)     \
485                         ret = cn9k_sso_hws_get_work(ws, ev, flags,             \
486                                                     ws->lookup_mem);           \
487                 return ret;                                                    \
488         }
489
490 #define SSO_DEQ_TMO_SEG(fn, flags)    SSO_DEQ_TMO(fn, flags | NIX_RX_MULTI_SEG_F)
491 #define SSO_DEQ_TMO_CA(fn, flags)     SSO_DEQ_TMO(fn, flags | CPT_RX_WQE_F)
492 #define SSO_DEQ_TMO_CA_SEG(fn, flags) SSO_DEQ_TMO_SEG(fn, flags | CPT_RX_WQE_F)
493
494 #define R(name, flags)                                                         \
495         uint16_t __rte_hot cn9k_sso_hws_dual_deq_##name(                       \
496                 void *port, struct rte_event *ev, uint64_t timeout_ticks);     \
497         uint16_t __rte_hot cn9k_sso_hws_dual_deq_burst_##name(                 \
498                 void *port, struct rte_event ev[], uint16_t nb_events,         \
499                 uint64_t timeout_ticks);                                       \
500         uint16_t __rte_hot cn9k_sso_hws_dual_deq_tmo_##name(                   \
501                 void *port, struct rte_event *ev, uint64_t timeout_ticks);     \
502         uint16_t __rte_hot cn9k_sso_hws_dual_deq_tmo_burst_##name(             \
503                 void *port, struct rte_event ev[], uint16_t nb_events,         \
504                 uint64_t timeout_ticks);                                       \
505         uint16_t __rte_hot cn9k_sso_hws_dual_deq_ca_##name(                    \
506                 void *port, struct rte_event *ev, uint64_t timeout_ticks);     \
507         uint16_t __rte_hot cn9k_sso_hws_dual_deq_ca_burst_##name(              \
508                 void *port, struct rte_event ev[], uint16_t nb_events,         \
509                 uint64_t timeout_ticks);                                       \
510         uint16_t __rte_hot cn9k_sso_hws_dual_deq_tmo_ca_##name(                \
511                 void *port, struct rte_event *ev, uint64_t timeout_ticks);     \
512         uint16_t __rte_hot cn9k_sso_hws_dual_deq_tmo_ca_burst_##name(          \
513                 void *port, struct rte_event ev[], uint16_t nb_events,         \
514                 uint64_t timeout_ticks);                                       \
515         uint16_t __rte_hot cn9k_sso_hws_dual_deq_seg_##name(                   \
516                 void *port, struct rte_event *ev, uint64_t timeout_ticks);     \
517         uint16_t __rte_hot cn9k_sso_hws_dual_deq_seg_burst_##name(             \
518                 void *port, struct rte_event ev[], uint16_t nb_events,         \
519                 uint64_t timeout_ticks);                                       \
520         uint16_t __rte_hot cn9k_sso_hws_dual_deq_tmo_seg_##name(               \
521                 void *port, struct rte_event *ev, uint64_t timeout_ticks);     \
522         uint16_t __rte_hot cn9k_sso_hws_dual_deq_tmo_seg_burst_##name(         \
523                 void *port, struct rte_event ev[], uint16_t nb_events,         \
524                 uint64_t timeout_ticks);                                       \
525         uint16_t __rte_hot cn9k_sso_hws_dual_deq_ca_seg_##name(                \
526                 void *port, struct rte_event *ev, uint64_t timeout_ticks);     \
527         uint16_t __rte_hot cn9k_sso_hws_dual_deq_ca_seg_burst_##name(          \
528                 void *port, struct rte_event ev[], uint16_t nb_events,         \
529                 uint64_t timeout_ticks);                                       \
530         uint16_t __rte_hot cn9k_sso_hws_dual_deq_tmo_ca_seg_##name(            \
531                 void *port, struct rte_event *ev, uint64_t timeout_ticks);     \
532         uint16_t __rte_hot cn9k_sso_hws_dual_deq_tmo_ca_seg_burst_##name(      \
533                 void *port, struct rte_event ev[], uint16_t nb_events,         \
534                 uint64_t timeout_ticks);
535
536 NIX_RX_FASTPATH_MODES
537 #undef R
538
539 #define SSO_DUAL_DEQ(fn, flags)                                                \
540         uint16_t __rte_hot fn(void *port, struct rte_event *ev,                \
541                               uint64_t timeout_ticks)                          \
542         {                                                                      \
543                 struct cn9k_sso_hws_dual *dws = port;                          \
544                 uint16_t gw;                                                   \
545                 RTE_SET_USED(timeout_ticks);                                   \
546                 if (dws->swtag_req) {                                          \
547                         dws->swtag_req = 0;                                    \
548                         cnxk_sso_hws_swtag_wait(dws->base[!dws->vws] +         \
549                                                 SSOW_LF_GWS_TAG);              \
550                         return 1;                                              \
551                 }                                                              \
552                 gw = cn9k_sso_hws_dual_get_work(dws->base[dws->vws],           \
553                                                 dws->base[!dws->vws], ev,      \
554                                                 flags, dws);                   \
555                 dws->vws = !dws->vws;                                          \
556                 return gw;                                                     \
557         }
558
559 #define SSO_DUAL_DEQ_SEG(fn, flags) SSO_DUAL_DEQ(fn, flags | NIX_RX_MULTI_SEG_F)
560 #define SSO_DUAL_DEQ_CA(fn, flags)  SSO_DUAL_DEQ(fn, flags | CPT_RX_WQE_F)
561 #define SSO_DUAL_DEQ_CA_SEG(fn, flags)                                         \
562         SSO_DUAL_DEQ_SEG(fn, flags | CPT_RX_WQE_F)
563
564 #define SSO_DUAL_DEQ_TMO(fn, flags)                                            \
565         uint16_t __rte_hot fn(void *port, struct rte_event *ev,                \
566                               uint64_t timeout_ticks)                          \
567         {                                                                      \
568                 struct cn9k_sso_hws_dual *dws = port;                          \
569                 uint16_t ret = 1;                                              \
570                 uint64_t iter;                                                 \
571                 if (dws->swtag_req) {                                          \
572                         dws->swtag_req = 0;                                    \
573                         cnxk_sso_hws_swtag_wait(dws->base[!dws->vws] +         \
574                                                 SSOW_LF_GWS_TAG);              \
575                         return ret;                                            \
576                 }                                                              \
577                 ret = cn9k_sso_hws_dual_get_work(dws->base[dws->vws],          \
578                                                  dws->base[!dws->vws], ev,     \
579                                                  flags, dws);                  \
580                 dws->vws = !dws->vws;                                          \
581                 for (iter = 1; iter < timeout_ticks && (ret == 0); iter++) {   \
582                         ret = cn9k_sso_hws_dual_get_work(dws->base[dws->vws],  \
583                                                          dws->base[!dws->vws], \
584                                                          ev, flags, dws);      \
585                         dws->vws = !dws->vws;                                  \
586                 }                                                              \
587                 return ret;                                                    \
588         }
589
590 #define SSO_DUAL_DEQ_TMO_SEG(fn, flags)                                        \
591         SSO_DUAL_DEQ_TMO(fn, flags | NIX_RX_MULTI_SEG_F)
592 #define SSO_DUAL_DEQ_TMO_CA(fn, flags)                                         \
593         SSO_DUAL_DEQ_TMO(fn, flags | CPT_RX_WQE_F)
594 #define SSO_DUAL_DEQ_TMO_CA_SEG(fn, flags)                                     \
595         SSO_DUAL_DEQ_TMO_SEG(fn, flags | CPT_RX_WQE_F)
596
597 #define SSO_CMN_DEQ_BURST(fnb, fn, flags)                                      \
598         uint16_t __rte_hot fnb(void *port, struct rte_event ev[],              \
599                                uint16_t nb_events, uint64_t timeout_ticks)     \
600         {                                                                      \
601                 RTE_SET_USED(nb_events);                                       \
602                 return fn(port, ev, timeout_ticks);                            \
603         }
604
605 #define SSO_CMN_DEQ_SEG_BURST(fnb, fn, flags)                                  \
606         uint16_t __rte_hot fnb(void *port, struct rte_event ev[],              \
607                                uint16_t nb_events, uint64_t timeout_ticks)     \
608         {                                                                      \
609                 RTE_SET_USED(nb_events);                                       \
610                 return fn(port, ev, timeout_ticks);                            \
611         }
612
613 static __rte_always_inline void
614 cn9k_sso_txq_fc_wait(const struct cn9k_eth_txq *txq)
615 {
616         while (!((txq->nb_sqb_bufs_adj -
617                   __atomic_load_n(txq->fc_mem, __ATOMIC_RELAXED))
618                  << (txq)->sqes_per_sqb_log2))
619                 ;
620 }
621
622 static __rte_always_inline struct cn9k_eth_txq *
623 cn9k_sso_hws_xtract_meta(struct rte_mbuf *m, uint64_t *txq_data)
624 {
625         return (struct cn9k_eth_txq
626                         *)(txq_data[(txq_data[m->port] >> 48) +
627                                     rte_event_eth_tx_adapter_txq_get(m)] &
628                            (BIT_ULL(48) - 1));
629 }
630
631 #if defined(RTE_ARCH_ARM64)
632
633 static __rte_always_inline void
634 cn9k_sso_hws_xmit_sec_one(const struct cn9k_eth_txq *txq, uint64_t base,
635                           struct rte_mbuf *m, uint64_t *cmd,
636                           uint32_t flags)
637 {
638         struct cn9k_outb_priv_data *outb_priv;
639         rte_iova_t io_addr = txq->cpt_io_addr;
640         uint64_t *lmt_addr = txq->lmt_addr;
641         struct cn9k_sec_sess_priv mdata;
642         struct nix_send_hdr_s *send_hdr;
643         uint64_t sa_base = txq->sa_base;
644         uint32_t pkt_len, dlen_adj, rlen;
645         uint64x2_t cmd01, cmd23;
646         uint64_t lmt_status, sa;
647         union nix_send_sg_s *sg;
648         uintptr_t dptr, nixtx;
649         uint64_t ucode_cmd[4];
650         uint64_t esn, *iv;
651         uint8_t l2_len;
652
653         mdata.u64 = *rte_security_dynfield(m);
654         send_hdr = (struct nix_send_hdr_s *)cmd;
655         if (flags & NIX_TX_NEED_EXT_HDR)
656                 sg = (union nix_send_sg_s *)&cmd[4];
657         else
658                 sg = (union nix_send_sg_s *)&cmd[2];
659
660         if (flags & NIX_TX_NEED_SEND_HDR_W1)
661                 l2_len = cmd[1] & 0xFF;
662         else
663                 l2_len = m->l2_len;
664
665         /* Retrieve DPTR */
666         dptr = *(uint64_t *)(sg + 1);
667         pkt_len = send_hdr->w0.total;
668
669         /* Calculate rlen */
670         rlen = pkt_len - l2_len;
671         rlen = (rlen + mdata.roundup_len) + (mdata.roundup_byte - 1);
672         rlen &= ~(uint64_t)(mdata.roundup_byte - 1);
673         rlen += mdata.partial_len;
674         dlen_adj = rlen - pkt_len + l2_len;
675
676         /* Update send descriptors. Security is single segment only */
677         send_hdr->w0.total = pkt_len + dlen_adj;
678         sg->seg1_size = pkt_len + dlen_adj;
679
680         /* Get area where NIX descriptor needs to be stored */
681         nixtx = dptr + pkt_len + dlen_adj;
682         nixtx += BIT_ULL(7);
683         nixtx = (nixtx - 1) & ~(BIT_ULL(7) - 1);
684
685         roc_lmt_mov_nv((void *)(nixtx + 16), cmd, cn9k_nix_tx_ext_subs(flags));
686
687         /* Load opcode and cptr already prepared at pkt metadata set */
688         pkt_len -= l2_len;
689         pkt_len += sizeof(struct roc_onf_ipsec_outb_hdr) +
690                     ROC_ONF_IPSEC_OUTB_MAX_L2_INFO_SZ;
691         sa_base &= ~(ROC_NIX_INL_SA_BASE_ALIGN - 1);
692
693         sa = (uintptr_t)roc_nix_inl_onf_ipsec_outb_sa(sa_base, mdata.sa_idx);
694         ucode_cmd[3] = (ROC_CPT_DFLT_ENG_GRP_SE_IE << 61 | sa);
695         ucode_cmd[0] = (ROC_IE_ONF_MAJOR_OP_PROCESS_OUTBOUND_IPSEC << 48 |
696                         0x40UL << 48 | pkt_len);
697
698         /* CPT Word 0 and Word 1 */
699         cmd01 = vdupq_n_u64((nixtx + 16) | (cn9k_nix_tx_ext_subs(flags) + 1));
700         /* CPT_RES_S is 16B above NIXTX */
701         cmd01 = vsetq_lane_u8(nixtx & BIT_ULL(7), cmd01, 8);
702
703         /* CPT word 2 and 3 */
704         cmd23 = vdupq_n_u64(0);
705         cmd23 = vsetq_lane_u64((((uint64_t)RTE_EVENT_TYPE_CPU << 28) |
706                                 CNXK_ETHDEV_SEC_OUTB_EV_SUB << 20), cmd23, 0);
707         cmd23 = vsetq_lane_u64((uintptr_t)m | 1, cmd23, 1);
708
709         dptr += l2_len - ROC_ONF_IPSEC_OUTB_MAX_L2_INFO_SZ -
710                 sizeof(struct roc_onf_ipsec_outb_hdr);
711         ucode_cmd[1] = dptr;
712         ucode_cmd[2] = dptr;
713
714         /* Update IV to zero and l2 sz */
715         *(uint16_t *)(dptr + sizeof(struct roc_onf_ipsec_outb_hdr)) =
716                 rte_cpu_to_be_16(ROC_ONF_IPSEC_OUTB_MAX_L2_INFO_SZ);
717         iv = (uint64_t *)(dptr + 8);
718         iv[0] = 0;
719         iv[1] = 0;
720
721         /* Head wait if needed */
722         if (base)
723                 roc_sso_hws_head_wait(base);
724
725         /* ESN */
726         outb_priv = roc_nix_inl_onf_ipsec_outb_sa_sw_rsvd((void *)sa);
727         esn = outb_priv->esn;
728         outb_priv->esn = esn + 1;
729
730         ucode_cmd[0] |= (esn >> 32) << 16;
731         esn = rte_cpu_to_be_32(esn & (BIT_ULL(32) - 1));
732
733         /* Update ESN and IPID and IV */
734         *(uint64_t *)dptr = esn << 32 | esn;
735
736         rte_io_wmb();
737         cn9k_sso_txq_fc_wait(txq);
738
739         /* Write CPT instruction to lmt line */
740         vst1q_u64(lmt_addr, cmd01);
741         vst1q_u64(lmt_addr + 2, cmd23);
742
743         roc_lmt_mov_seg(lmt_addr + 4, ucode_cmd, 2);
744
745         if (roc_lmt_submit_ldeor(io_addr) == 0) {
746                 do {
747                         vst1q_u64(lmt_addr, cmd01);
748                         vst1q_u64(lmt_addr + 2, cmd23);
749                         roc_lmt_mov_seg(lmt_addr + 4, ucode_cmd, 2);
750
751                         lmt_status = roc_lmt_submit_ldeor(io_addr);
752                 } while (lmt_status == 0);
753         }
754 }
755 #else
756
757 static inline void
758 cn9k_sso_hws_xmit_sec_one(const struct cn9k_eth_txq *txq, uint64_t base,
759                           struct rte_mbuf *m, uint64_t *cmd,
760                           uint32_t flags)
761 {
762         RTE_SET_USED(txq);
763         RTE_SET_USED(base);
764         RTE_SET_USED(m);
765         RTE_SET_USED(cmd);
766         RTE_SET_USED(flags);
767 }
768 #endif
769
770 static __rte_always_inline uint16_t
771 cn9k_sso_hws_event_tx(uint64_t base, struct rte_event *ev, uint64_t *cmd,
772                       uint64_t *txq_data, const uint32_t flags)
773 {
774         struct rte_mbuf *m = ev->mbuf;
775         uint16_t ref_cnt = m->refcnt;
776         struct cn9k_eth_txq *txq;
777
778         /* Perform header writes before barrier for TSO */
779         cn9k_nix_xmit_prepare_tso(m, flags);
780         /* Lets commit any changes in the packet here in case when
781          * fast free is set as no further changes will be made to mbuf.
782          * In case of fast free is not set, both cn9k_nix_prepare_mseg()
783          * and cn9k_nix_xmit_prepare() has a barrier after refcnt update.
784          */
785         if (!(flags & NIX_TX_OFFLOAD_MBUF_NOFF_F) &&
786             !(flags & NIX_TX_OFFLOAD_SECURITY_F))
787                 rte_io_wmb();
788         txq = cn9k_sso_hws_xtract_meta(m, txq_data);
789         cn9k_nix_tx_skeleton(txq, cmd, flags, 0);
790         cn9k_nix_xmit_prepare(m, cmd, flags, txq->lso_tun_fmt);
791
792         if (flags & NIX_TX_OFFLOAD_SECURITY_F) {
793                 uint64_t ol_flags = m->ol_flags;
794
795                 if (ol_flags & RTE_MBUF_F_TX_SEC_OFFLOAD) {
796                         uintptr_t ssow_base = base;
797
798                         if (ev->sched_type)
799                                 ssow_base = 0;
800
801                         cn9k_sso_hws_xmit_sec_one(txq, ssow_base, m, cmd,
802                                                   flags);
803                         goto done;
804                 }
805
806                 if (!(flags & NIX_TX_OFFLOAD_MBUF_NOFF_F))
807                         rte_io_wmb();
808         }
809
810         if (flags & NIX_TX_MULTI_SEG_F) {
811                 const uint16_t segdw = cn9k_nix_prepare_mseg(m, cmd, flags);
812                 cn9k_nix_xmit_prepare_tstamp(txq, cmd, m->ol_flags, segdw,
813                                              flags);
814                 if (!CNXK_TT_FROM_EVENT(ev->event)) {
815                         cn9k_nix_xmit_mseg_prep_lmt(cmd, txq->lmt_addr, segdw);
816                         roc_sso_hws_head_wait(base);
817                         cn9k_sso_txq_fc_wait(txq);
818                         if (cn9k_nix_xmit_submit_lmt(txq->io_addr) == 0)
819                                 cn9k_nix_xmit_mseg_one(cmd, txq->lmt_addr,
820                                                        txq->io_addr, segdw);
821                 } else {
822                         cn9k_nix_xmit_mseg_one(cmd, txq->lmt_addr, txq->io_addr,
823                                                segdw);
824                 }
825         } else {
826                 cn9k_nix_xmit_prepare_tstamp(txq, cmd, m->ol_flags, 4, flags);
827                 if (!CNXK_TT_FROM_EVENT(ev->event)) {
828                         cn9k_nix_xmit_prep_lmt(cmd, txq->lmt_addr, flags);
829                         roc_sso_hws_head_wait(base);
830                         cn9k_sso_txq_fc_wait(txq);
831                         if (cn9k_nix_xmit_submit_lmt(txq->io_addr) == 0)
832                                 cn9k_nix_xmit_one(cmd, txq->lmt_addr,
833                                                   txq->io_addr, flags);
834                 } else {
835                         cn9k_nix_xmit_one(cmd, txq->lmt_addr, txq->io_addr,
836                                           flags);
837                 }
838         }
839
840 done:
841         if (flags & NIX_TX_OFFLOAD_MBUF_NOFF_F) {
842                 if (ref_cnt > 1)
843                         return 1;
844         }
845
846         cnxk_sso_hws_swtag_flush(base + SSOW_LF_GWS_TAG,
847                                  base + SSOW_LF_GWS_OP_SWTAG_FLUSH);
848
849         return 1;
850 }
851
852 #define T(name, sz, flags)                                                     \
853         uint16_t __rte_hot cn9k_sso_hws_tx_adptr_enq_##name(                   \
854                 void *port, struct rte_event ev[], uint16_t nb_events);        \
855         uint16_t __rte_hot cn9k_sso_hws_tx_adptr_enq_seg_##name(               \
856                 void *port, struct rte_event ev[], uint16_t nb_events);        \
857         uint16_t __rte_hot cn9k_sso_hws_dual_tx_adptr_enq_##name(              \
858                 void *port, struct rte_event ev[], uint16_t nb_events);        \
859         uint16_t __rte_hot cn9k_sso_hws_dual_tx_adptr_enq_seg_##name(          \
860                 void *port, struct rte_event ev[], uint16_t nb_events);
861
862 NIX_TX_FASTPATH_MODES
863 #undef T
864
865 #define SSO_TX(fn, sz, flags)                                                  \
866         uint16_t __rte_hot fn(void *port, struct rte_event ev[],               \
867                               uint16_t nb_events)                              \
868         {                                                                      \
869                 struct cn9k_sso_hws *ws = port;                                \
870                 uint64_t cmd[sz];                                              \
871                 RTE_SET_USED(nb_events);                                       \
872                 return cn9k_sso_hws_event_tx(ws->base, &ev[0], cmd,            \
873                                              (uint64_t *)ws->tx_adptr_data,    \
874                                              flags);                           \
875         }
876
877 #define SSO_TX_SEG(fn, sz, flags)                                              \
878         uint16_t __rte_hot fn(void *port, struct rte_event ev[],               \
879                               uint16_t nb_events)                              \
880         {                                                                      \
881                 uint64_t cmd[(sz) + CNXK_NIX_TX_MSEG_SG_DWORDS - 2];           \
882                 struct cn9k_sso_hws *ws = port;                                \
883                 RTE_SET_USED(nb_events);                                       \
884                 return cn9k_sso_hws_event_tx(ws->base, &ev[0], cmd,            \
885                                              (uint64_t *)ws->tx_adptr_data,    \
886                                              (flags) | NIX_TX_MULTI_SEG_F);    \
887         }
888
889 #define SSO_DUAL_TX(fn, sz, flags)                                             \
890         uint16_t __rte_hot fn(void *port, struct rte_event ev[],               \
891                               uint16_t nb_events)                              \
892         {                                                                      \
893                 struct cn9k_sso_hws_dual *ws = port;                           \
894                 uint64_t cmd[sz];                                              \
895                 RTE_SET_USED(nb_events);                                       \
896                 return cn9k_sso_hws_event_tx(ws->base[!ws->vws], &ev[0], cmd,  \
897                                              (uint64_t *)ws->tx_adptr_data,    \
898                                              flags);                           \
899         }
900
901 #define SSO_DUAL_TX_SEG(fn, sz, flags)                                         \
902         uint16_t __rte_hot fn(void *port, struct rte_event ev[],               \
903                               uint16_t nb_events)                              \
904         {                                                                      \
905                 uint64_t cmd[(sz) + CNXK_NIX_TX_MSEG_SG_DWORDS - 2];           \
906                 struct cn9k_sso_hws_dual *ws = port;                           \
907                 RTE_SET_USED(nb_events);                                       \
908                 return cn9k_sso_hws_event_tx(ws->base[!ws->vws], &ev[0], cmd,  \
909                                              (uint64_t *)ws->tx_adptr_data,    \
910                                              (flags) | NIX_TX_MULTI_SEG_F);    \
911         }
912
913 #endif