1
2
3
4
5#include <arpa/inet.h>
6
7#ifndef _SSOVF_WORKER_H_
8#define _SSOVF_WORKER_H_
9
10#include <rte_common.h>
11#include <rte_branch_prediction.h>
12
13#include <octeontx_mbox.h>
14
15#include "ssovf_evdev.h"
16#include "octeontx_rxtx.h"
17#include "otx_cryptodev_ops.h"
18
19
20#define OCCTX_ALIGN 128
21
22
23#define OCCTX_FASTPATH_LOOKUP_MEM "octeontx_fastpath_lookup_mem"
24
25
26#define ERRCODE_ERRLEN_WIDTH 11
27#define ERR_ARRAY_SZ ((BIT(ERRCODE_ERRLEN_WIDTH)) *\
28 sizeof(uint32_t))
29
30#define LOOKUP_ARRAY_SZ (ERR_ARRAY_SZ)
31
32#define OCCTX_EC_IP4_NOT 0x41
33#define OCCTX_EC_IP4_CSUM 0x42
34#define OCCTX_EC_L4_CSUM 0x62
35
36enum OCCTX_ERRLEV_E {
37 OCCTX_ERRLEV_RE = 0,
38 OCCTX_ERRLEV_LA = 1,
39 OCCTX_ERRLEV_LB = 2,
40 OCCTX_ERRLEV_LC = 3,
41 OCCTX_ERRLEV_LD = 4,
42 OCCTX_ERRLEV_LE = 5,
43 OCCTX_ERRLEV_LF = 6,
44 OCCTX_ERRLEV_LG = 7,
45};
46
47enum {
48 SSO_SYNC_ORDERED,
49 SSO_SYNC_ATOMIC,
50 SSO_SYNC_UNTAGGED,
51 SSO_SYNC_EMPTY
52};
53
54
55
56static __rte_always_inline uint32_t
57ssovf_octeontx_rx_olflags_get(const void * const lookup_mem, const uint64_t in)
58{
59 const uint32_t * const ol_flags = (const uint32_t *)lookup_mem;
60
61 return ol_flags[(in & 0x7ff)];
62}
63
64static __rte_always_inline void
65ssovf_octeontx_wqe_xtract_mseg(octtx_wqe_t *wqe,
66 struct rte_mbuf *mbuf)
67{
68 octtx_pki_buflink_t *buflink;
69 rte_iova_t *iova_list;
70 uint8_t nb_segs;
71 uint64_t bytes_left = wqe->s.w1.len - wqe->s.w5.size;
72
73 nb_segs = wqe->s.w0.bufs;
74
75 buflink = (octtx_pki_buflink_t *)((uintptr_t)wqe->s.w3.addr -
76 sizeof(octtx_pki_buflink_t));
77
78 while (--nb_segs) {
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);
82 mbuf = mbuf->next;
83
84 mbuf->data_off = sizeof(octtx_pki_buflink_t);
85
86 __mempool_check_cookies(mbuf->pool, (void **)&mbuf, 1, 1);
87 if (nb_segs == 1)
88 mbuf->data_len = bytes_left;
89 else
90 mbuf->data_len = buflink->w0.s.size;
91
92 bytes_left = bytes_left - buflink->w0.s.size;
93 buflink = (octtx_pki_buflink_t *)(rte_iova_t *)(iova_list - 2);
94
95 }
96}
97
98static __rte_always_inline struct rte_mbuf *
99ssovf_octeontx_wqe_to_pkt(uint64_t work, uint16_t port_info,
100 const uint16_t flag, const void *lookup_mem)
101{
102 struct rte_mbuf *mbuf;
103 octtx_wqe_t *wqe = (octtx_wqe_t *)(uintptr_t)work;
104
105
106 mbuf = (struct rte_mbuf *)((uintptr_t)wqe - OCTTX_PACKET_WQE_SKIP);
107 rte_prefetch_non_temporal(mbuf);
108 mbuf->packet_type =
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);
111 mbuf->ol_flags = 0;
112 mbuf->pkt_len = wqe->s.w1.len;
113
114 if (!!(flag & OCCTX_RX_OFFLOAD_CSUM_F))
115 mbuf->ol_flags = ssovf_octeontx_rx_olflags_get(lookup_mem,
116 wqe->w[2]);
117
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);
122 } else {
123 mbuf->nb_segs = 1;
124 mbuf->data_len = mbuf->pkt_len;
125 }
126
127 if (!!(flag & OCCTX_RX_VLAN_FLTR_F)) {
128 if (likely(wqe->s.w2.vv)) {
129 mbuf->ol_flags |= PKT_RX_VLAN;
130 mbuf->vlan_tci =
131 ntohs(*((uint16_t *)((char *)mbuf->buf_addr +
132 mbuf->data_off + wqe->s.w4.vlptr + 2)));
133 }
134 }
135
136 mbuf->port = rte_octeontx_pchan_map[port_info >> 4][port_info & 0xF];
137 rte_mbuf_refcnt_set(mbuf, 1);
138
139 return mbuf;
140}
141
142static __rte_always_inline void
143ssovf_octeontx_wqe_free(uint64_t work)
144{
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;
150
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));
154 head = mbuf;
155 while (--nb_segs) {
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);
159
160 mbuf->next = NULL;
161 rte_pktmbuf_free(mbuf);
162 buflink = (octtx_pki_buflink_t *)(rte_iova_t *)(iova_list - 2);
163 }
164 rte_pktmbuf_free(head);
165}
166
167static __rte_always_inline uint16_t
168ssows_get_work(struct ssows *ws, struct rte_event *ev, const uint16_t flag)
169{
170 uint64_t get_work0, get_work1;
171 uint64_t sched_type_queue;
172
173 ssovf_load_pair(get_work0, get_work1, ws->getwork);
174
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);
180
181 if (get_work1) {
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,
185 ws->lookup_mem);
186 else if (ev->event_type == RTE_EVENT_TYPE_CRYPTODEV)
187 get_work1 = otx_crypto_adapter_dequeue(get_work1);
188 ev->u64 = get_work1;
189 } else if (unlikely((get_work0 & 0xFFFFFFFF) == 0xFFFFFFFF)) {
190 ssovf_octeontx_wqe_free(get_work1);
191 return 0;
192 }
193
194 return !!get_work1;
195}
196
197static __rte_always_inline void
198ssows_add_work(struct ssows *ws, const uint64_t event_ptr, const uint32_t tag,
199 const uint8_t new_tt, const uint8_t grp)
200{
201 uint64_t add_work0;
202
203 add_work0 = tag | ((uint64_t)(new_tt) << 32);
204 ssovf_store_pair(add_work0, event_ptr, ws->grps[grp]);
205}
206
207static __rte_always_inline void
208ssows_swtag_full(struct ssows *ws, const uint64_t event_ptr, const uint32_t tag,
209 const uint8_t new_tt, const uint8_t grp)
210{
211 uint64_t swtag_full0;
212
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));
217}
218
219static __rte_always_inline void
220ssows_swtag_desched(struct ssows *ws, uint32_t tag, uint8_t new_tt, uint8_t grp)
221{
222 uint64_t val;
223
224 val = tag | ((uint64_t)(new_tt & 0x3) << 32) | ((uint64_t)grp << 34);
225 ssovf_write64(val, ws->base + SSOW_VHWS_OP_SWTAG_DESCHED);
226}
227
228static __rte_always_inline void
229ssows_swtag_norm(struct ssows *ws, uint32_t tag, uint8_t new_tt)
230{
231 uint64_t val;
232
233 val = tag | ((uint64_t)(new_tt & 0x3) << 32);
234 ssovf_write64(val, ws->base + SSOW_VHWS_OP_SWTAG_NORM);
235}
236
237static __rte_always_inline void
238ssows_swtag_untag(struct ssows *ws)
239{
240 ssovf_write64(0, ws->base + SSOW_VHWS_OP_SWTAG_UNTAG);
241 ws->cur_tt = SSO_SYNC_UNTAGGED;
242}
243
244static __rte_always_inline void
245ssows_upd_wqp(struct ssows *ws, uint8_t grp, uint64_t event_ptr)
246{
247 ssovf_store_pair((uint64_t)grp << 34, event_ptr, (ws->base +
248 SSOW_VHWS_OP_UPD_WQP_GRP0));
249}
250
251static __rte_always_inline void
252ssows_desched(struct ssows *ws)
253{
254 ssovf_write64(0, ws->base + SSOW_VHWS_OP_DESCHED);
255}
256
257static __rte_always_inline void
258ssows_swtag_wait(struct ssows *ws)
259{
260
261 while (ssovf_read64(ws->base + SSOW_VHWS_SWTP))
262 ;
263}
264
265static __rte_always_inline void
266ssows_head_wait(struct ssows *ws)
267{
268 while (!(ssovf_read64(ws->base + SSOW_VHWS_TAG) & (1ULL << 35)))
269 ;
270}
271#endif
272
