1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(C) 2019 Marvell International Ltd.
3 */
4
5 #include <stdio.h>
6 #include <stdlib.h>
7 #include <string.h>
8 #include <unistd.h>
9
10 #include <rte_common.h>
11 #include <rte_eal.h>
12 #include <rte_lcore.h>
13 #include <rte_mempool.h>
14
15 #include <rte_rawdev.h>
16 #include <rte_rawdev_pmd.h>
17
18 #include "otx2_common.h"
19 #include "otx2_ep_rawdev.h"
20
21 #define SDP_IOQ_NUM_BUFS (4 * 1024)
22 #define SDP_IOQ_BUF_SIZE (2 * 1024)
23
24 #define SDP_TEST_PKT_FSZ (0)
25 #define SDP_TEST_PKT_SIZE (1024)
26
27 static int
sdp_validate_data(struct sdp_droq_pkt * oq_pkt,uint8_t * iq_pkt,uint32_t pkt_len)28 sdp_validate_data(struct sdp_droq_pkt *oq_pkt, uint8_t *iq_pkt,
29 uint32_t pkt_len)
30 {
31 if (!oq_pkt)
32 return -EINVAL;
33
34 if (pkt_len != oq_pkt->len) {
35 otx2_err("Invalid packet length");
36 return -EINVAL;
37 }
38
39 if (memcmp(oq_pkt->data, iq_pkt, pkt_len) != 0) {
40 otx2_err("Data validation failed");
41 return -EINVAL;
42 }
43 otx2_sdp_dbg("Data validation successful");
44
45 return 0;
46 }
47
48 static void
sdp_ioq_buffer_fill(uint8_t * addr,uint32_t len)49 sdp_ioq_buffer_fill(uint8_t *addr, uint32_t len)
50 {
51 uint32_t idx;
52
53 memset(addr, 0, len);
54
55 for (idx = 0; idx < len; idx++)
56 addr[idx] = idx;
57 }
58
59 static struct rte_mempool*
sdp_ioq_mempool_create(void)60 sdp_ioq_mempool_create(void)
61 {
62 struct rte_mempool *mpool;
63
64 mpool = rte_mempool_create("ioqbuf_pool",
65 SDP_IOQ_NUM_BUFS /*num elt*/,
66 SDP_IOQ_BUF_SIZE /*elt size*/,
67 0 /*cache_size*/,
68 0 /*private_data_size*/,
69 NULL /*mp_init*/,
70 NULL /*mp_init arg*/,
71 NULL /*obj_init*/,
72 NULL /*obj_init arg*/,
73 rte_socket_id() /*socket id*/,
74 (MEMPOOL_F_SP_PUT | MEMPOOL_F_SC_GET));
75
76 return mpool;
77 }
78
79
80 int
sdp_rawdev_selftest(uint16_t dev_id)81 sdp_rawdev_selftest(uint16_t dev_id)
82 {
83 struct sdp_rawdev_info app_info = {0};
84 struct rte_rawdev_info dev_info = {0};
85
86 struct rte_rawdev_buf *d_buf[1];
87 struct sdp_droq_pkt oq_pkt;
88 struct sdp_soft_instr si;
89 struct sdp_device sdpvf;
90
91 uint32_t buf_size;
92 int ret = 0;
93 void *buf;
94
95 otx2_info("SDP RAWDEV Self Test: Started");
96
97 memset(&oq_pkt, 0x00, sizeof(oq_pkt));
98 d_buf[0] = (struct rte_rawdev_buf *)&oq_pkt;
99
100 struct rte_mempool *ioq_mpool = sdp_ioq_mempool_create();
101 if (!ioq_mpool) {
102 otx2_err("IOQ mpool creation failed");
103 return -ENOMEM;
104 }
105
106 app_info.enqdeq_mpool = ioq_mpool;
107 app_info.app_conf = NULL; /* Use default conf */
108
109 dev_info.dev_private = &app_info;
110
111 ret = rte_rawdev_configure(dev_id, &dev_info, sizeof(app_info));
112 if (ret) {
113 otx2_err("Unable to configure SDP_VF %d", dev_id);
114 rte_mempool_free(ioq_mpool);
115 return -ENOMEM;
116 }
117 otx2_info("SDP VF rawdev[%d] configured successfully", dev_id);
118
119 memset(&si, 0x00, sizeof(si));
120 memset(&sdpvf, 0x00, sizeof(sdpvf));
121
122 buf_size = SDP_TEST_PKT_SIZE;
123
124 si.q_no = 0;
125 si.reqtype = SDP_REQTYPE_NORESP;
126 si.rptr = NULL;
127
128 si.ih.fsz = SDP_TEST_PKT_FSZ;
129 si.ih.tlen = buf_size;
130 si.ih.gather = 0;
131
132 /* Enqueue raw pkt data */
133 rte_mempool_get(ioq_mpool, &buf);
134 if (!buf) {
135 otx2_err("Buffer allocation failed");
136 rte_mempool_free(ioq_mpool);
137 rte_rawdev_close(dev_id);
138 return -ENOMEM;
139 }
140
141 sdp_ioq_buffer_fill(buf, buf_size);
142 si.dptr = (uint8_t *)buf;
143
144 rte_rawdev_enqueue_buffers(dev_id, NULL, 1, &si);
145 usleep(10000);
146
147 /* Dequeue raw pkt data */
148 ret = 0;
149 while (ret < 1) {
150 ret = rte_rawdev_dequeue_buffers(dev_id, &d_buf[0], 1, &si);
151 rte_pause();
152 }
153
154 /* Validate the dequeued raw pkt data */
155 if (sdp_validate_data((struct sdp_droq_pkt *)d_buf[0],
156 buf, buf_size) != 0) {
157 otx2_err("Data invalid");
158 rte_mempool_put(ioq_mpool,
159 ((struct sdp_droq_pkt *)d_buf[0])->data);
160 rte_mempool_free(ioq_mpool);
161 rte_rawdev_close(dev_id);
162 return -EINVAL;
163 }
164
165 rte_mempool_put(ioq_mpool, ((struct sdp_droq_pkt *)d_buf[0])->data);
166 rte_mempool_free(ioq_mpool);
167 rte_rawdev_close(dev_id);
168
169 otx2_info("SDP RAWDEV Self Test: Successful");
170
171 return 0;
172 }
173