1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
|
/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2017 Cavium, Inc
*/
#include <rte_common.h>
#include <rte_branch_prediction.h>
#include <octeontx_mbox.h>
#include "ssovf_evdev.h"
#include "octeontx_rxtx.h"
enum {
SSO_SYNC_ORDERED,
SSO_SYNC_ATOMIC,
SSO_SYNC_UNTAGGED,
SSO_SYNC_EMPTY
};
#ifndef __hot
#define __hot __attribute__((hot))
#endif
/* SSO Operations */
static __rte_always_inline struct rte_mbuf *
ssovf_octeontx_wqe_to_pkt(uint64_t work, uint16_t port_info)
{
struct rte_mbuf *mbuf;
octtx_wqe_t *wqe = (octtx_wqe_t *)(uintptr_t)work;
/* Get mbuf from wqe */
mbuf = (struct rte_mbuf *)((uintptr_t)wqe -
OCTTX_PACKET_WQE_SKIP);
rte_prefetch_non_temporal(mbuf);
mbuf->packet_type =
ptype_table[wqe->s.w2.lcty][wqe->s.w2.lety][wqe->s.w2.lfty];
mbuf->data_off = RTE_PTR_DIFF(wqe->s.w3.addr, mbuf->buf_addr);
mbuf->pkt_len = wqe->s.w1.len;
mbuf->data_len = mbuf->pkt_len;
mbuf->nb_segs = 1;
mbuf->ol_flags = 0;
mbuf->port = rte_octeontx_pchan_map[port_info >> 4][port_info & 0xF];
rte_mbuf_refcnt_set(mbuf, 1);
return mbuf;
}
static __rte_always_inline uint16_t
ssows_get_work(struct ssows *ws, struct rte_event *ev)
{
uint64_t get_work0, get_work1;
uint64_t sched_type_queue;
ssovf_load_pair(get_work0, get_work1, ws->getwork);
sched_type_queue = (get_work0 >> 32) & 0xfff;
ws->cur_tt = sched_type_queue & 0x3;
ws->cur_grp = sched_type_queue >> 2;
sched_type_queue = sched_type_queue << 38;
ev->event = sched_type_queue | (get_work0 & 0xffffffff);
if (get_work1 && ev->event_type == RTE_EVENT_TYPE_ETHDEV) {
ev->mbuf = ssovf_octeontx_wqe_to_pkt(get_work1,
(ev->event >> 20) & 0x7F);
} else {
ev->u64 = get_work1;
}
return !!get_work1;
}
static __rte_always_inline void
ssows_add_work(struct ssows *ws, const uint64_t event_ptr, const uint32_t tag,
const uint8_t new_tt, const uint8_t grp)
{
uint64_t add_work0;
add_work0 = tag | ((uint64_t)(new_tt) << 32);
ssovf_store_pair(add_work0, event_ptr, ws->grps[grp]);
}
static __rte_always_inline void
ssows_swtag_full(struct ssows *ws, const uint64_t event_ptr, const uint32_t tag,
const uint8_t new_tt, const uint8_t grp)
{
uint64_t swtag_full0;
swtag_full0 = tag | ((uint64_t)(new_tt & 0x3) << 32) |
((uint64_t)grp << 34);
ssovf_store_pair(swtag_full0, event_ptr, (ws->base +
SSOW_VHWS_OP_SWTAG_FULL0));
}
static __rte_always_inline void
ssows_swtag_desched(struct ssows *ws, uint32_t tag, uint8_t new_tt, uint8_t grp)
{
uint64_t val;
val = tag | ((uint64_t)(new_tt & 0x3) << 32) | ((uint64_t)grp << 34);
ssovf_write64(val, ws->base + SSOW_VHWS_OP_SWTAG_DESCHED);
}
static __rte_always_inline void
ssows_swtag_norm(struct ssows *ws, uint32_t tag, uint8_t new_tt)
{
uint64_t val;
val = tag | ((uint64_t)(new_tt & 0x3) << 32);
ssovf_write64(val, ws->base + SSOW_VHWS_OP_SWTAG_NORM);
}
static __rte_always_inline void
ssows_swtag_untag(struct ssows *ws)
{
ssovf_write64(0, ws->base + SSOW_VHWS_OP_SWTAG_UNTAG);
ws->cur_tt = SSO_SYNC_UNTAGGED;
}
static __rte_always_inline void
ssows_upd_wqp(struct ssows *ws, uint8_t grp, uint64_t event_ptr)
{
ssovf_store_pair((uint64_t)grp << 34, event_ptr, (ws->base +
SSOW_VHWS_OP_UPD_WQP_GRP0));
}
static __rte_always_inline void
ssows_desched(struct ssows *ws)
{
ssovf_write64(0, ws->base + SSOW_VHWS_OP_DESCHED);
}
static __rte_always_inline void
ssows_swtag_wait(struct ssows *ws)
{
/* Wait for the SWTAG/SWTAG_FULL operation */
while (ssovf_read64(ws->base + SSOW_VHWS_SWTP))
;
}
|
