common/cnxk: use common SA init API for default options
[dpdk.git] / drivers / event / cnxk / cn10k_worker.h
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright(C) 2021 Marvell.
3  */
4
5 #ifndef __CN10K_WORKER_H__
6 #define __CN10K_WORKER_H__
7
8 #include <rte_vect.h>
9
10 #include "cn10k_cryptodev_ops.h"
11 #include "cnxk_ethdev.h"
12 #include "cnxk_eventdev.h"
13 #include "cnxk_worker.h"
14
15 #include "cn10k_ethdev.h"
16 #include "cn10k_rx.h"
17 #include "cn10k_tx.h"
18
19 /* SSO Operations */
20
21 static __rte_always_inline uint8_t
22 cn10k_sso_hws_new_event(struct cn10k_sso_hws *ws, const struct rte_event *ev)
23 {
24         const uint32_t tag = (uint32_t)ev->event;
25         const uint8_t new_tt = ev->sched_type;
26         const uint64_t event_ptr = ev->u64;
27         const uint16_t grp = ev->queue_id;
28
29         rte_atomic_thread_fence(__ATOMIC_ACQ_REL);
30         if (ws->xaq_lmt <= *ws->fc_mem)
31                 return 0;
32
33         cnxk_sso_hws_add_work(event_ptr, tag, new_tt,
34                               ws->grp_base + (grp << 12));
35         return 1;
36 }
37
38 static __rte_always_inline void
39 cn10k_sso_hws_fwd_swtag(struct cn10k_sso_hws *ws, const struct rte_event *ev)
40 {
41         const uint32_t tag = (uint32_t)ev->event;
42         const uint8_t new_tt = ev->sched_type;
43         const uint8_t cur_tt = CNXK_TT_FROM_TAG(ws->gw_rdata);
44
45         /* CNXK model
46          * cur_tt/new_tt     SSO_TT_ORDERED SSO_TT_ATOMIC SSO_TT_UNTAGGED
47          *
48          * SSO_TT_ORDERED        norm           norm             untag
49          * SSO_TT_ATOMIC         norm           norm               untag
50          * SSO_TT_UNTAGGED       norm           norm             NOOP
51          */
52
53         if (new_tt == SSO_TT_UNTAGGED) {
54                 if (cur_tt != SSO_TT_UNTAGGED)
55                         cnxk_sso_hws_swtag_untag(ws->base +
56                                                  SSOW_LF_GWS_OP_SWTAG_UNTAG);
57         } else {
58                 cnxk_sso_hws_swtag_norm(tag, new_tt,
59                                         ws->base + SSOW_LF_GWS_OP_SWTAG_NORM);
60         }
61         ws->swtag_req = 1;
62 }
63
64 static __rte_always_inline void
65 cn10k_sso_hws_fwd_group(struct cn10k_sso_hws *ws, const struct rte_event *ev,
66                         const uint16_t grp)
67 {
68         const uint32_t tag = (uint32_t)ev->event;
69         const uint8_t new_tt = ev->sched_type;
70
71         plt_write64(ev->u64, ws->base + SSOW_LF_GWS_OP_UPD_WQP_GRP1);
72         cnxk_sso_hws_swtag_desched(tag, new_tt, grp,
73                                    ws->base + SSOW_LF_GWS_OP_SWTAG_DESCHED);
74 }
75
76 static __rte_always_inline void
77 cn10k_sso_hws_forward_event(struct cn10k_sso_hws *ws,
78                             const struct rte_event *ev)
79 {
80         const uint8_t grp = ev->queue_id;
81
82         /* Group hasn't changed, Use SWTAG to forward the event */
83         if (CNXK_GRP_FROM_TAG(ws->gw_rdata) == grp)
84                 cn10k_sso_hws_fwd_swtag(ws, ev);
85         else
86                 /*
87                  * Group has been changed for group based work pipelining,
88                  * Use deschedule/add_work operation to transfer the event to
89                  * new group/core
90                  */
91                 cn10k_sso_hws_fwd_group(ws, ev, grp);
92 }
93
94 static __rte_always_inline void
95 cn10k_wqe_to_mbuf(uint64_t wqe, const uint64_t mbuf, uint8_t port_id,
96                   const uint32_t tag, const uint32_t flags,
97                   const void *const lookup_mem)
98 {
99         const uint64_t mbuf_init = 0x100010000ULL | RTE_PKTMBUF_HEADROOM |
100                                    (flags & NIX_RX_OFFLOAD_TSTAMP_F ? 8 : 0);
101
102         cn10k_nix_cqe_to_mbuf((struct nix_cqe_hdr_s *)wqe, tag,
103                               (struct rte_mbuf *)mbuf, lookup_mem,
104                               mbuf_init | ((uint64_t)port_id) << 48, flags);
105 }
106
107 static __rte_always_inline void
108 cn10k_process_vwqe(uintptr_t vwqe, uint16_t port_id, const uint32_t flags,
109                    void *lookup_mem, void *tstamp, uintptr_t lbase)
110 {
111         uint64_t mbuf_init = 0x100010000ULL | RTE_PKTMBUF_HEADROOM |
112                              (flags & NIX_RX_OFFLOAD_TSTAMP_F ? 8 : 0);
113         struct rte_event_vector *vec;
114         uint64_t aura_handle, laddr;
115         uint16_t nb_mbufs, non_vec;
116         uint16_t lmt_id, d_off;
117         struct rte_mbuf *mbuf;
118         uint8_t loff = 0;
119         uint64_t sa_base;
120         uint64_t **wqe;
121         int i;
122
123         mbuf_init |= ((uint64_t)port_id) << 48;
124         vec = (struct rte_event_vector *)vwqe;
125         wqe = vec->u64s;
126
127         rte_prefetch_non_temporal(&vec->ptrs[0]);
128 #define OBJS_PER_CLINE (RTE_CACHE_LINE_SIZE / sizeof(void *))
129         for (i = OBJS_PER_CLINE; i < vec->nb_elem; i += OBJS_PER_CLINE)
130                 rte_prefetch_non_temporal(&vec->ptrs[i]);
131
132         nb_mbufs = RTE_ALIGN_FLOOR(vec->nb_elem, NIX_DESCS_PER_LOOP);
133         nb_mbufs = cn10k_nix_recv_pkts_vector(&mbuf_init, vec->mbufs, nb_mbufs,
134                                               flags | NIX_RX_VWQE_F, lookup_mem,
135                                               tstamp, lbase);
136         wqe += nb_mbufs;
137         non_vec = vec->nb_elem - nb_mbufs;
138
139         if (flags & NIX_RX_OFFLOAD_SECURITY_F && non_vec) {
140                 mbuf = (struct rte_mbuf *)((uintptr_t)wqe[0] -
141                                            sizeof(struct rte_mbuf));
142                 /* Pick first mbuf's aura handle assuming all
143                  * mbufs are from a vec and are from same RQ.
144                  */
145                 aura_handle = mbuf->pool->pool_id;
146                 ROC_LMT_BASE_ID_GET(lbase, lmt_id);
147                 laddr = lbase;
148                 laddr += 8;
149                 d_off = ((uintptr_t)mbuf->buf_addr - (uintptr_t)mbuf);
150                 d_off += (mbuf_init & 0xFFFF);
151                 sa_base = cnxk_nix_sa_base_get(mbuf_init >> 48, lookup_mem);
152                 sa_base &= ~(ROC_NIX_INL_SA_BASE_ALIGN - 1);
153         }
154
155         while (non_vec) {
156                 struct nix_cqe_hdr_s *cqe = (struct nix_cqe_hdr_s *)wqe[0];
157                 uint64_t tstamp_ptr;
158
159                 mbuf = (struct rte_mbuf *)((char *)cqe -
160                                            sizeof(struct rte_mbuf));
161
162                 /* Translate meta to mbuf */
163                 if (flags & NIX_RX_OFFLOAD_SECURITY_F) {
164                         const uint64_t cq_w1 = *((const uint64_t *)cqe + 1);
165
166                         mbuf = nix_sec_meta_to_mbuf_sc(cq_w1, sa_base, laddr,
167                                                        &loff, mbuf, d_off);
168                 }
169
170                 cn10k_nix_cqe_to_mbuf(cqe, cqe->tag, mbuf, lookup_mem,
171                                       mbuf_init, flags);
172                 /* Extracting tstamp, if PTP enabled*/
173                 tstamp_ptr = *(uint64_t *)(((struct nix_wqe_hdr_s *)cqe) +
174                                            CNXK_SSO_WQE_SG_PTR);
175                 cnxk_nix_mbuf_to_tstamp((struct rte_mbuf *)mbuf, tstamp,
176                                         flags & NIX_RX_OFFLOAD_TSTAMP_F,
177                                         (uint64_t *)tstamp_ptr);
178                 wqe[0] = (uint64_t *)mbuf;
179                 non_vec--;
180                 wqe++;
181         }
182
183         /* Free remaining meta buffers if any */
184         if (flags & NIX_RX_OFFLOAD_SECURITY_F && loff) {
185                 nix_sec_flush_meta(laddr, lmt_id, loff, aura_handle);
186                 plt_io_wmb();
187         }
188 }
189
190 static __rte_always_inline uint16_t
191 cn10k_sso_hws_get_work(struct cn10k_sso_hws *ws, struct rte_event *ev,
192                        const uint32_t flags, void *lookup_mem)
193 {
194         union {
195                 __uint128_t get_work;
196                 uint64_t u64[2];
197         } gw;
198         uint64_t tstamp_ptr;
199
200         gw.get_work = ws->gw_wdata;
201 #if defined(RTE_ARCH_ARM64) && !defined(__clang__)
202         asm volatile(
203                 PLT_CPU_FEATURE_PREAMBLE
204                 "caspal %[wdata], %H[wdata], %[wdata], %H[wdata], [%[gw_loc]]\n"
205                 : [wdata] "+r"(gw.get_work)
206                 : [gw_loc] "r"(ws->base + SSOW_LF_GWS_OP_GET_WORK0)
207                 : "memory");
208 #else
209         plt_write64(gw.u64[0], ws->base + SSOW_LF_GWS_OP_GET_WORK0);
210         do {
211                 roc_load_pair(gw.u64[0], gw.u64[1],
212                               ws->base + SSOW_LF_GWS_WQE0);
213         } while (gw.u64[0] & BIT_ULL(63));
214 #endif
215         ws->gw_rdata = gw.u64[0];
216         if (gw.u64[1]) {
217                 gw.u64[0] = (gw.u64[0] & (0x3ull << 32)) << 6 |
218                             (gw.u64[0] & (0x3FFull << 36)) << 4 |
219                             (gw.u64[0] & 0xffffffff);
220                 if ((flags & CPT_RX_WQE_F) &&
221                     (CNXK_EVENT_TYPE_FROM_TAG(gw.u64[0]) ==
222                      RTE_EVENT_TYPE_CRYPTODEV)) {
223                         gw.u64[1] = cn10k_cpt_crypto_adapter_dequeue(gw.u64[1]);
224                 } else if (CNXK_EVENT_TYPE_FROM_TAG(gw.u64[0]) ==
225                            RTE_EVENT_TYPE_ETHDEV) {
226                         uint8_t port = CNXK_SUB_EVENT_FROM_TAG(gw.u64[0]);
227                         uint64_t mbuf;
228
229                         mbuf = gw.u64[1] - sizeof(struct rte_mbuf);
230                         rte_prefetch0((void *)mbuf);
231                         if (flags & NIX_RX_OFFLOAD_SECURITY_F) {
232                                 struct rte_mbuf *m;
233                                 uintptr_t sa_base;
234                                 uint64_t iova = 0;
235                                 uint8_t loff = 0;
236                                 uint16_t d_off;
237                                 uint64_t cq_w1;
238
239                                 m = (struct rte_mbuf *)mbuf;
240                                 d_off = (uintptr_t)(m->buf_addr) - (uintptr_t)m;
241                                 d_off += RTE_PKTMBUF_HEADROOM;
242
243                                 cq_w1 = *(uint64_t *)(gw.u64[1] + 8);
244
245                                 sa_base =
246                                         cnxk_nix_sa_base_get(port, lookup_mem);
247                                 sa_base &= ~(ROC_NIX_INL_SA_BASE_ALIGN - 1);
248
249                                 mbuf = (uint64_t)nix_sec_meta_to_mbuf_sc(
250                                         cq_w1, sa_base, (uintptr_t)&iova, &loff,
251                                         (struct rte_mbuf *)mbuf, d_off);
252                                 if (loff)
253                                         roc_npa_aura_op_free(m->pool->pool_id,
254                                                              0, iova);
255                         }
256
257                         gw.u64[0] = CNXK_CLR_SUB_EVENT(gw.u64[0]);
258                         cn10k_wqe_to_mbuf(gw.u64[1], mbuf, port,
259                                           gw.u64[0] & 0xFFFFF, flags,
260                                           lookup_mem);
261                         /* Extracting tstamp, if PTP enabled*/
262                         tstamp_ptr = *(uint64_t *)(((struct nix_wqe_hdr_s *)
263                                                             gw.u64[1]) +
264                                                    CNXK_SSO_WQE_SG_PTR);
265                         cnxk_nix_mbuf_to_tstamp((struct rte_mbuf *)mbuf,
266                                                 ws->tstamp,
267                                                 flags & NIX_RX_OFFLOAD_TSTAMP_F,
268                                                 (uint64_t *)tstamp_ptr);
269                         gw.u64[1] = mbuf;
270                 } else if (CNXK_EVENT_TYPE_FROM_TAG(gw.u64[0]) ==
271                            RTE_EVENT_TYPE_ETHDEV_VECTOR) {
272                         uint8_t port = CNXK_SUB_EVENT_FROM_TAG(gw.u64[0]);
273                         __uint128_t vwqe_hdr = *(__uint128_t *)gw.u64[1];
274
275                         vwqe_hdr = ((vwqe_hdr >> 64) & 0xFFF) | BIT_ULL(31) |
276                                    ((vwqe_hdr & 0xFFFF) << 48) |
277                                    ((uint64_t)port << 32);
278                         *(uint64_t *)gw.u64[1] = (uint64_t)vwqe_hdr;
279                         cn10k_process_vwqe(gw.u64[1], port, flags, lookup_mem,
280                                            ws->tstamp, ws->lmt_base);
281                 }
282         }
283
284         ev->event = gw.u64[0];
285         ev->u64 = gw.u64[1];
286
287         return !!gw.u64[1];
288 }
289
290 /* Used in cleaning up workslot. */
291 static __rte_always_inline uint16_t
292 cn10k_sso_hws_get_work_empty(struct cn10k_sso_hws *ws, struct rte_event *ev)
293 {
294         union {
295                 __uint128_t get_work;
296                 uint64_t u64[2];
297         } gw;
298         uint64_t mbuf;
299
300 #ifdef RTE_ARCH_ARM64
301         asm volatile(PLT_CPU_FEATURE_PREAMBLE
302                      "          ldp %[tag], %[wqp], [%[tag_loc]]        \n"
303                      "          tbz %[tag], 63, done%=                  \n"
304                      "          sevl                                    \n"
305                      "rty%=:    wfe                                     \n"
306                      "          ldp %[tag], %[wqp], [%[tag_loc]]        \n"
307                      "          tbnz %[tag], 63, rty%=                  \n"
308                      "done%=:   dmb ld                                  \n"
309                      "          sub %[mbuf], %[wqp], #0x80              \n"
310                      : [tag] "=&r"(gw.u64[0]), [wqp] "=&r"(gw.u64[1]),
311                        [mbuf] "=&r"(mbuf)
312                      : [tag_loc] "r"(ws->base + SSOW_LF_GWS_WQE0)
313                      : "memory");
314 #else
315         do {
316                 roc_load_pair(gw.u64[0], gw.u64[1],
317                               ws->base + SSOW_LF_GWS_WQE0);
318         } while (gw.u64[0] & BIT_ULL(63));
319         mbuf = (uint64_t)((char *)gw.u64[1] - sizeof(struct rte_mbuf));
320 #endif
321
322         gw.u64[0] = (gw.u64[0] & (0x3ull << 32)) << 6 |
323                     (gw.u64[0] & (0x3FFull << 36)) << 4 |
324                     (gw.u64[0] & 0xffffffff);
325
326         if (CNXK_TT_FROM_EVENT(gw.u64[0]) != SSO_TT_EMPTY) {
327                 if (CNXK_EVENT_TYPE_FROM_TAG(gw.u64[0]) ==
328                     RTE_EVENT_TYPE_ETHDEV) {
329                         uint8_t port = CNXK_SUB_EVENT_FROM_TAG(gw.u64[0]);
330
331                         gw.u64[0] = CNXK_CLR_SUB_EVENT(gw.u64[0]);
332                         cn10k_wqe_to_mbuf(gw.u64[1], mbuf, port,
333                                           gw.u64[0] & 0xFFFFF, 0, NULL);
334                         gw.u64[1] = mbuf;
335                 }
336         }
337
338         ev->event = gw.u64[0];
339         ev->u64 = gw.u64[1];
340
341         return !!gw.u64[1];
342 }
343
344 /* CN10K Fastpath functions. */
345 uint16_t __rte_hot cn10k_sso_hws_enq(void *port, const struct rte_event *ev);
346 uint16_t __rte_hot cn10k_sso_hws_enq_burst(void *port,
347                                            const struct rte_event ev[],
348                                            uint16_t nb_events);
349 uint16_t __rte_hot cn10k_sso_hws_enq_new_burst(void *port,
350                                                const struct rte_event ev[],
351                                                uint16_t nb_events);
352 uint16_t __rte_hot cn10k_sso_hws_enq_fwd_burst(void *port,
353                                                const struct rte_event ev[],
354                                                uint16_t nb_events);
355 uint16_t __rte_hot cn10k_sso_hws_ca_enq(void *port, struct rte_event ev[],
356                                         uint16_t nb_events);
357
358 #define R(name, flags)                                                         \
359         uint16_t __rte_hot cn10k_sso_hws_deq_##name(                           \
360                 void *port, struct rte_event *ev, uint64_t timeout_ticks);     \
361         uint16_t __rte_hot cn10k_sso_hws_deq_burst_##name(                     \
362                 void *port, struct rte_event ev[], uint16_t nb_events,         \
363                 uint64_t timeout_ticks);                                       \
364         uint16_t __rte_hot cn10k_sso_hws_deq_tmo_##name(                       \
365                 void *port, struct rte_event *ev, uint64_t timeout_ticks);     \
366         uint16_t __rte_hot cn10k_sso_hws_deq_tmo_burst_##name(                 \
367                 void *port, struct rte_event ev[], uint16_t nb_events,         \
368                 uint64_t timeout_ticks);                                       \
369         uint16_t __rte_hot cn10k_sso_hws_deq_ca_##name(                        \
370                 void *port, struct rte_event *ev, uint64_t timeout_ticks);     \
371         uint16_t __rte_hot cn10k_sso_hws_deq_ca_burst_##name(                  \
372                 void *port, struct rte_event ev[], uint16_t nb_events,         \
373                 uint64_t timeout_ticks);                                       \
374         uint16_t __rte_hot cn10k_sso_hws_deq_tmo_ca_##name(                    \
375                 void *port, struct rte_event *ev, uint64_t timeout_ticks);     \
376         uint16_t __rte_hot cn10k_sso_hws_deq_tmo_ca_burst_##name(              \
377                 void *port, struct rte_event ev[], uint16_t nb_events,         \
378                 uint64_t timeout_ticks);                                       \
379         uint16_t __rte_hot cn10k_sso_hws_deq_seg_##name(                       \
380                 void *port, struct rte_event *ev, uint64_t timeout_ticks);     \
381         uint16_t __rte_hot cn10k_sso_hws_deq_seg_burst_##name(                 \
382                 void *port, struct rte_event ev[], uint16_t nb_events,         \
383                 uint64_t timeout_ticks);                                       \
384         uint16_t __rte_hot cn10k_sso_hws_deq_tmo_seg_##name(                   \
385                 void *port, struct rte_event *ev, uint64_t timeout_ticks);     \
386         uint16_t __rte_hot cn10k_sso_hws_deq_tmo_seg_burst_##name(             \
387                 void *port, struct rte_event ev[], uint16_t nb_events,         \
388                 uint64_t timeout_ticks);                                       \
389         uint16_t __rte_hot cn10k_sso_hws_deq_ca_seg_##name(                    \
390                 void *port, struct rte_event *ev, uint64_t timeout_ticks);     \
391         uint16_t __rte_hot cn10k_sso_hws_deq_ca_seg_burst_##name(              \
392                 void *port, struct rte_event ev[], uint16_t nb_events,         \
393                 uint64_t timeout_ticks);                                       \
394         uint16_t __rte_hot cn10k_sso_hws_deq_tmo_ca_seg_##name(                \
395                 void *port, struct rte_event *ev, uint64_t timeout_ticks);     \
396         uint16_t __rte_hot cn10k_sso_hws_deq_tmo_ca_seg_burst_##name(          \
397                 void *port, struct rte_event ev[], uint16_t nb_events,         \
398                 uint64_t timeout_ticks);
399
400 NIX_RX_FASTPATH_MODES
401 #undef R
402
403 #define SSO_DEQ(fn, flags)                                                     \
404         uint16_t __rte_hot fn(void *port, struct rte_event *ev,                \
405                               uint64_t timeout_ticks)                          \
406         {                                                                      \
407                 struct cn10k_sso_hws *ws = port;                               \
408                 RTE_SET_USED(timeout_ticks);                                   \
409                 if (ws->swtag_req) {                                           \
410                         ws->swtag_req = 0;                                     \
411                         ws->gw_rdata = cnxk_sso_hws_swtag_wait(                \
412                                 ws->base + SSOW_LF_GWS_WQE0);                  \
413                         return 1;                                              \
414                 }                                                              \
415                 return cn10k_sso_hws_get_work(ws, ev, flags, ws->lookup_mem);  \
416         }
417
418 #define SSO_DEQ_SEG(fn, flags)    SSO_DEQ(fn, flags | NIX_RX_MULTI_SEG_F)
419 #define SSO_DEQ_CA(fn, flags)     SSO_DEQ(fn, flags | CPT_RX_WQE_F)
420 #define SSO_DEQ_CA_SEG(fn, flags) SSO_DEQ_SEG(fn, flags | CPT_RX_WQE_F)
421
422 #define SSO_DEQ_TMO(fn, flags)                                                 \
423         uint16_t __rte_hot fn(void *port, struct rte_event *ev,                \
424                               uint64_t timeout_ticks)                          \
425         {                                                                      \
426                 struct cn10k_sso_hws *ws = port;                               \
427                 uint16_t ret = 1;                                              \
428                 uint64_t iter;                                                 \
429                 if (ws->swtag_req) {                                           \
430                         ws->swtag_req = 0;                                     \
431                         ws->gw_rdata = cnxk_sso_hws_swtag_wait(                \
432                                 ws->base + SSOW_LF_GWS_WQE0);                  \
433                         return ret;                                            \
434                 }                                                              \
435                 ret = cn10k_sso_hws_get_work(ws, ev, flags, ws->lookup_mem);   \
436                 for (iter = 1; iter < timeout_ticks && (ret == 0); iter++)     \
437                         ret = cn10k_sso_hws_get_work(ws, ev, flags,            \
438                                                      ws->lookup_mem);          \
439                 return ret;                                                    \
440         }
441
442 #define SSO_DEQ_TMO_SEG(fn, flags)    SSO_DEQ_TMO(fn, flags | NIX_RX_MULTI_SEG_F)
443 #define SSO_DEQ_TMO_CA(fn, flags)     SSO_DEQ_TMO(fn, flags | CPT_RX_WQE_F)
444 #define SSO_DEQ_TMO_CA_SEG(fn, flags) SSO_DEQ_TMO_SEG(fn, flags | CPT_RX_WQE_F)
445
446 #define SSO_CMN_DEQ_BURST(fnb, fn, flags)                                      \
447         uint16_t __rte_hot fnb(void *port, struct rte_event ev[],              \
448                                uint16_t nb_events, uint64_t timeout_ticks)     \
449         {                                                                      \
450                 RTE_SET_USED(nb_events);                                       \
451                 return fn(port, ev, timeout_ticks);                            \
452         }
453
454 #define SSO_CMN_DEQ_SEG_BURST(fnb, fn, flags)                                  \
455         uint16_t __rte_hot fnb(void *port, struct rte_event ev[],              \
456                                uint16_t nb_events, uint64_t timeout_ticks)     \
457         {                                                                      \
458                 RTE_SET_USED(nb_events);                                       \
459                 return fn(port, ev, timeout_ticks);                            \
460         }
461
462 static __rte_always_inline struct cn10k_eth_txq *
463 cn10k_sso_hws_xtract_meta(struct rte_mbuf *m, const uint64_t *txq_data)
464 {
465         return (struct cn10k_eth_txq
466                         *)(txq_data[(txq_data[m->port] >> 48) +
467                                     rte_event_eth_tx_adapter_txq_get(m)] &
468                            (BIT_ULL(48) - 1));
469 }
470
471 static __rte_always_inline void
472 cn10k_sso_txq_fc_wait(const struct cn10k_eth_txq *txq)
473 {
474         while ((uint64_t)txq->nb_sqb_bufs_adj <=
475                __atomic_load_n(txq->fc_mem, __ATOMIC_RELAXED))
476                 ;
477 }
478
479 static __rte_always_inline void
480 cn10k_sso_tx_one(struct cn10k_sso_hws *ws, struct rte_mbuf *m, uint64_t *cmd,
481                  uint16_t lmt_id, uintptr_t lmt_addr, uint8_t sched_type,
482                  const uint64_t *txq_data, const uint32_t flags)
483 {
484         uint8_t lnum = 0, loff = 0, shft = 0;
485         struct cn10k_eth_txq *txq;
486         uintptr_t laddr;
487         uint16_t segdw;
488         uintptr_t pa;
489         bool sec;
490
491         txq = cn10k_sso_hws_xtract_meta(m, txq_data);
492         cn10k_nix_tx_skeleton(txq, cmd, flags, 0);
493         /* Perform header writes before barrier
494          * for TSO
495          */
496         if (flags & NIX_TX_OFFLOAD_TSO_F)
497                 cn10k_nix_xmit_prepare_tso(m, flags);
498
499         cn10k_nix_xmit_prepare(m, cmd, flags, txq->lso_tun_fmt, &sec);
500
501         laddr = lmt_addr;
502         /* Prepare CPT instruction and get nixtx addr if
503          * it is for CPT on same lmtline.
504          */
505         if (flags & NIX_TX_OFFLOAD_SECURITY_F && sec)
506                 cn10k_nix_prep_sec(m, cmd, &laddr, lmt_addr, &lnum, &loff,
507                                    &shft, txq->sa_base, flags);
508
509         /* Move NIX desc to LMT/NIXTX area */
510         cn10k_nix_xmit_mv_lmt_base(laddr, cmd, flags);
511
512         if (flags & NIX_TX_MULTI_SEG_F)
513                 segdw = cn10k_nix_prepare_mseg(m, (uint64_t *)laddr, flags);
514         else
515                 segdw = cn10k_nix_tx_ext_subs(flags) + 2;
516
517         cn10k_nix_xmit_prepare_tstamp(txq, laddr, m->ol_flags, segdw, flags);
518         if (flags & NIX_TX_OFFLOAD_SECURITY_F && sec)
519                 pa = txq->cpt_io_addr | 3 << 4;
520         else
521                 pa = txq->io_addr | ((segdw - 1) << 4);
522
523         if (!CNXK_TAG_IS_HEAD(ws->gw_rdata) && !sched_type)
524                 ws->gw_rdata = roc_sso_hws_head_wait(ws->base);
525
526         cn10k_sso_txq_fc_wait(txq);
527         roc_lmt_submit_steorl(lmt_id, pa);
528 }
529
530 static __rte_always_inline void
531 cn10k_sso_vwqe_split_tx(struct cn10k_sso_hws *ws, struct rte_mbuf **mbufs,
532                         uint16_t nb_mbufs, uint64_t *cmd, uint16_t lmt_id,
533                         uintptr_t lmt_addr, uint8_t sched_type,
534                         const uint64_t *txq_data, const uint32_t flags)
535 {
536         uint16_t port[4], queue[4];
537         uint16_t i, j, pkts, scalar;
538         struct cn10k_eth_txq *txq;
539
540         scalar = nb_mbufs & (NIX_DESCS_PER_LOOP - 1);
541         pkts = RTE_ALIGN_FLOOR(nb_mbufs, NIX_DESCS_PER_LOOP);
542
543         for (i = 0; i < pkts; i += NIX_DESCS_PER_LOOP) {
544                 port[0] = mbufs[i]->port;
545                 port[1] = mbufs[i + 1]->port;
546                 port[2] = mbufs[i + 2]->port;
547                 port[3] = mbufs[i + 3]->port;
548
549                 queue[0] = rte_event_eth_tx_adapter_txq_get(mbufs[i]);
550                 queue[1] = rte_event_eth_tx_adapter_txq_get(mbufs[i + 1]);
551                 queue[2] = rte_event_eth_tx_adapter_txq_get(mbufs[i + 2]);
552                 queue[3] = rte_event_eth_tx_adapter_txq_get(mbufs[i + 3]);
553
554                 if (((port[0] ^ port[1]) & (port[2] ^ port[3])) ||
555                     ((queue[0] ^ queue[1]) & (queue[2] ^ queue[3]))) {
556                         for (j = 0; j < 4; j++)
557                                 cn10k_sso_tx_one(ws, mbufs[i + j], cmd, lmt_id,
558                                                  lmt_addr, sched_type, txq_data,
559                                                  flags);
560                 } else {
561                         txq = (struct cn10k_eth_txq
562                                        *)(txq_data[(txq_data[port[0]] >> 48) +
563                                                    queue[0]] &
564                                           (BIT_ULL(48) - 1));
565                         cn10k_nix_xmit_pkts_vector(txq, (uint64_t *)ws,
566                                                    &mbufs[i], 4, cmd,
567                                                    flags | NIX_TX_VWQE_F);
568                 }
569         }
570
571         mbufs += i;
572
573         for (i = 0; i < scalar; i++) {
574                 cn10k_sso_tx_one(ws, mbufs[i], cmd, lmt_id, lmt_addr,
575                                  sched_type, txq_data, flags);
576         }
577 }
578
579 static __rte_always_inline uint16_t
580 cn10k_sso_hws_event_tx(struct cn10k_sso_hws *ws, struct rte_event *ev,
581                        uint64_t *cmd, const uint64_t *txq_data,
582                        const uint32_t flags)
583 {
584         struct cn10k_eth_txq *txq;
585         struct rte_mbuf *m;
586         uintptr_t lmt_addr;
587         uint16_t lmt_id;
588
589         lmt_addr = ws->lmt_base;
590         ROC_LMT_BASE_ID_GET(lmt_addr, lmt_id);
591
592         if (ev->event_type & RTE_EVENT_TYPE_VECTOR) {
593                 struct rte_mbuf **mbufs = ev->vec->mbufs;
594                 uint64_t meta = *(uint64_t *)ev->vec;
595
596                 if (meta & BIT(31)) {
597                         txq = (struct cn10k_eth_txq
598                                        *)(txq_data[(txq_data[meta >> 32] >>
599                                                     48) +
600                                                    (meta >> 48)] &
601                                           (BIT_ULL(48) - 1));
602
603                         cn10k_nix_xmit_pkts_vector(txq, (uint64_t *)ws, mbufs,
604                                                    meta & 0xFFFF, cmd,
605                                                    flags | NIX_TX_VWQE_F);
606                 } else {
607                         cn10k_sso_vwqe_split_tx(
608                                 ws, mbufs, meta & 0xFFFF, cmd, lmt_id, lmt_addr,
609                                 ev->sched_type, txq_data, flags);
610                 }
611                 rte_mempool_put(rte_mempool_from_obj(ev->vec), ev->vec);
612                 return (meta & 0xFFFF);
613         }
614
615         m = ev->mbuf;
616         cn10k_sso_tx_one(ws, m, cmd, lmt_id, lmt_addr, ev->sched_type, txq_data,
617                          flags);
618
619         return 1;
620 }
621
622 #define T(name, sz, flags)                                                     \
623         uint16_t __rte_hot cn10k_sso_hws_tx_adptr_enq_##name(                  \
624                 void *port, struct rte_event ev[], uint16_t nb_events);        \
625         uint16_t __rte_hot cn10k_sso_hws_tx_adptr_enq_seg_##name(              \
626                 void *port, struct rte_event ev[], uint16_t nb_events);
627
628 NIX_TX_FASTPATH_MODES
629 #undef T
630
631 #define SSO_TX(fn, sz, flags)                                                  \
632         uint16_t __rte_hot fn(void *port, struct rte_event ev[],               \
633                               uint16_t nb_events)                              \
634         {                                                                      \
635                 struct cn10k_sso_hws *ws = port;                               \
636                 uint64_t cmd[sz];                                              \
637                 RTE_SET_USED(nb_events);                                       \
638                 return cn10k_sso_hws_event_tx(                                 \
639                         ws, &ev[0], cmd, (const uint64_t *)ws->tx_adptr_data,  \
640                         flags);                                                \
641         }
642
643 #define SSO_TX_SEG(fn, sz, flags)                                              \
644         uint16_t __rte_hot fn(void *port, struct rte_event ev[],               \
645                               uint16_t nb_events)                              \
646         {                                                                      \
647                 uint64_t cmd[(sz) + CNXK_NIX_TX_MSEG_SG_DWORDS - 2];           \
648                 struct cn10k_sso_hws *ws = port;                               \
649                 RTE_SET_USED(nb_events);                                       \
650                 return cn10k_sso_hws_event_tx(                                 \
651                         ws, &ev[0], cmd, (const uint64_t *)ws->tx_adptr_data,  \
652                         (flags) | NIX_TX_MULTI_SEG_F);                         \
653         }
654
655 #endif