1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2017 Cavium, Inc
7 #ifndef _SSOVF_WORKER_H_
8 #define _SSOVF_WORKER_H_
10 #include <rte_common.h>
11 #include <rte_branch_prediction.h>
13 #include <octeontx_mbox.h>
15 #include "ssovf_evdev.h"
16 #include "octeontx_rxtx.h"
17 #include "otx_cryptodev_ops.h"
20 #define OCCTX_ALIGN 128
23 #define OCCTX_FASTPATH_LOOKUP_MEM "octeontx_fastpath_lookup_mem"
25 /* WQE's ERRCODE + ERRLEV (11 bits) */
26 #define ERRCODE_ERRLEN_WIDTH 11
27 #define ERR_ARRAY_SZ ((BIT(ERRCODE_ERRLEN_WIDTH)) *\
30 #define LOOKUP_ARRAY_SZ (ERR_ARRAY_SZ)
32 #define OCCTX_EC_IP4_NOT 0x41
33 #define OCCTX_EC_IP4_CSUM 0x42
34 #define OCCTX_EC_L4_CSUM 0x62
56 static __rte_always_inline uint32_t
57 ssovf_octeontx_rx_olflags_get(const void * const lookup_mem, const uint64_t in)
59 const uint32_t * const ol_flags = (const uint32_t *)lookup_mem;
61 return ol_flags[(in & 0x7ff)];
64 static __rte_always_inline void
65 ssovf_octeontx_wqe_xtract_mseg(octtx_wqe_t *wqe,
66 struct rte_mbuf *mbuf)
68 octtx_pki_buflink_t *buflink;
69 rte_iova_t *iova_list;
71 uint64_t bytes_left = wqe->s.w1.len - wqe->s.w5.size;
73 nb_segs = wqe->s.w0.bufs;
75 buflink = (octtx_pki_buflink_t *)((uintptr_t)wqe->s.w3.addr -
76 sizeof(octtx_pki_buflink_t));
79 iova_list = (rte_iova_t *)(uintptr_t)(buflink->w1.s.addr);
80 mbuf->next = (struct rte_mbuf *)(rte_iova_t *)(iova_list - 2)
81 - (OCTTX_PACKET_LATER_SKIP / 128);
84 mbuf->data_off = sizeof(octtx_pki_buflink_t);
86 RTE_MEMPOOL_CHECK_COOKIES(mbuf->pool, (void **)&mbuf, 1, 1);
88 mbuf->data_len = bytes_left;
90 mbuf->data_len = buflink->w0.s.size;
92 bytes_left = bytes_left - buflink->w0.s.size;
93 buflink = (octtx_pki_buflink_t *)(rte_iova_t *)(iova_list - 2);
98 static __rte_always_inline struct rte_mbuf *
99 ssovf_octeontx_wqe_to_pkt(uint64_t work, uint16_t port_info,
100 const uint16_t flag, const void *lookup_mem)
102 struct rte_mbuf *mbuf;
103 octtx_wqe_t *wqe = (octtx_wqe_t *)(uintptr_t)work;
105 /* Get mbuf from wqe */
106 mbuf = (struct rte_mbuf *)((uintptr_t)wqe - OCTTX_PACKET_WQE_SKIP);
107 rte_prefetch_non_temporal(mbuf);
109 ptype_table[wqe->s.w2.lcty][wqe->s.w2.lety][wqe->s.w2.lfty];
110 mbuf->data_off = RTE_PTR_DIFF(wqe->s.w3.addr, mbuf->buf_addr);
112 mbuf->pkt_len = wqe->s.w1.len;
114 if (!!(flag & OCCTX_RX_OFFLOAD_CSUM_F))
115 mbuf->ol_flags = ssovf_octeontx_rx_olflags_get(lookup_mem,
118 if (!!(flag & OCCTX_RX_MULTI_SEG_F)) {
119 mbuf->nb_segs = wqe->s.w0.bufs;
120 mbuf->data_len = wqe->s.w5.size;
121 ssovf_octeontx_wqe_xtract_mseg(wqe, mbuf);
124 mbuf->data_len = mbuf->pkt_len;
127 if (!!(flag & OCCTX_RX_VLAN_FLTR_F)) {
128 if (likely(wqe->s.w2.vv)) {
129 mbuf->ol_flags |= RTE_MBUF_F_RX_VLAN;
131 ntohs(*((uint16_t *)((char *)mbuf->buf_addr +
132 mbuf->data_off + wqe->s.w4.vlptr + 2)));
136 mbuf->port = rte_octeontx_pchan_map[port_info >> 4][port_info & 0xF];
137 rte_mbuf_refcnt_set(mbuf, 1);
142 static __rte_always_inline void
143 ssovf_octeontx_wqe_free(uint64_t work)
145 octtx_wqe_t *wqe = (octtx_wqe_t *)(uintptr_t)work;
146 uint8_t nb_segs = wqe->s.w0.bufs;
147 octtx_pki_buflink_t *buflink;
148 struct rte_mbuf *mbuf, *head;
149 rte_iova_t *iova_list;
151 mbuf = (struct rte_mbuf *)((uintptr_t)wqe - OCTTX_PACKET_WQE_SKIP);
152 buflink = (octtx_pki_buflink_t *)((uintptr_t)wqe->s.w3.addr -
153 sizeof(octtx_pki_buflink_t));
156 iova_list = (rte_iova_t *)(uintptr_t)(buflink->w1.s.addr);
157 mbuf = (struct rte_mbuf *)(rte_iova_t *)(iova_list - 2)
158 - (OCTTX_PACKET_LATER_SKIP / 128);
161 rte_pktmbuf_free(mbuf);
162 buflink = (octtx_pki_buflink_t *)(rte_iova_t *)(iova_list - 2);
164 rte_pktmbuf_free(head);
167 static __rte_always_inline uint16_t
168 ssows_get_work(struct ssows *ws, struct rte_event *ev, const uint16_t flag)
170 uint64_t get_work0, get_work1;
171 uint64_t sched_type_queue;
173 ssovf_load_pair(get_work0, get_work1, ws->getwork);
175 sched_type_queue = (get_work0 >> 32) & 0xfff;
176 ws->cur_tt = sched_type_queue & 0x3;
177 ws->cur_grp = sched_type_queue >> 2;
178 sched_type_queue = sched_type_queue << 38;
179 ev->event = sched_type_queue | (get_work0 & 0xffffffff);
182 if (ev->event_type == RTE_EVENT_TYPE_ETHDEV)
183 get_work1 = (uintptr_t)ssovf_octeontx_wqe_to_pkt(
184 get_work1, (ev->event >> 20) & 0x7F, flag,
186 else if (ev->event_type == RTE_EVENT_TYPE_CRYPTODEV)
187 get_work1 = otx_crypto_adapter_dequeue(get_work1);
189 } else if (unlikely((get_work0 & 0xFFFFFFFF) == 0xFFFFFFFF)) {
190 ssovf_octeontx_wqe_free(get_work1);
197 static __rte_always_inline void
198 ssows_add_work(struct ssows *ws, const uint64_t event_ptr, const uint32_t tag,
199 const uint8_t new_tt, const uint8_t grp)
203 add_work0 = tag | ((uint64_t)(new_tt) << 32);
204 ssovf_store_pair(add_work0, event_ptr, ws->grps[grp]);
207 static __rte_always_inline void
208 ssows_swtag_full(struct ssows *ws, const uint64_t event_ptr, const uint32_t tag,
209 const uint8_t new_tt, const uint8_t grp)
211 uint64_t swtag_full0;
213 swtag_full0 = tag | ((uint64_t)(new_tt & 0x3) << 32) |
214 ((uint64_t)grp << 34);
215 ssovf_store_pair(swtag_full0, event_ptr, (ws->base +
216 SSOW_VHWS_OP_SWTAG_FULL0));
219 static __rte_always_inline void
220 ssows_swtag_desched(struct ssows *ws, uint32_t tag, uint8_t new_tt, uint8_t grp)
224 val = tag | ((uint64_t)(new_tt & 0x3) << 32) | ((uint64_t)grp << 34);
225 ssovf_write64(val, ws->base + SSOW_VHWS_OP_SWTAG_DESCHED);
228 static __rte_always_inline void
229 ssows_swtag_norm(struct ssows *ws, uint32_t tag, uint8_t new_tt)
233 val = tag | ((uint64_t)(new_tt & 0x3) << 32);
234 ssovf_write64(val, ws->base + SSOW_VHWS_OP_SWTAG_NORM);
237 static __rte_always_inline void
238 ssows_swtag_untag(struct ssows *ws)
240 ssovf_write64(0, ws->base + SSOW_VHWS_OP_SWTAG_UNTAG);
241 ws->cur_tt = SSO_SYNC_UNTAGGED;
244 static __rte_always_inline void
245 ssows_upd_wqp(struct ssows *ws, uint8_t grp, uint64_t event_ptr)
247 ssovf_store_pair((uint64_t)grp << 34, event_ptr, (ws->base +
248 SSOW_VHWS_OP_UPD_WQP_GRP0));
251 static __rte_always_inline void
252 ssows_desched(struct ssows *ws)
254 ssovf_write64(0, ws->base + SSOW_VHWS_OP_DESCHED);
257 static __rte_always_inline void
258 ssows_swtag_wait(struct ssows *ws)
260 /* Wait for the SWTAG/SWTAG_FULL operation */
261 while (ssovf_read64(ws->base + SSOW_VHWS_SWTP))
265 static __rte_always_inline void
266 ssows_head_wait(struct ssows *ws)
268 while (!(ssovf_read64(ws->base + SSOW_VHWS_TAG) & (1ULL << 35)))
271 #endif /* _SSOVF_WORKER_H_ */