replace alignment attributes
[dpdk.git] / drivers / net / octeontx2 / otx2_ethdev_devargs.c
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright(C) 2019 Marvell International Ltd.
3  */
4
5 #include <inttypes.h>
6 #include <math.h>
7
8 #include "otx2_ethdev.h"
9
10 static int
11 parse_flow_max_priority(const char *key, const char *value, void *extra_args)
12 {
13         RTE_SET_USED(key);
14         uint16_t val;
15
16         val = atoi(value);
17
18         /* Limit the max priority to 32 */
19         if (val < 1 || val > 32)
20                 return -EINVAL;
21
22         *(uint16_t *)extra_args = val;
23
24         return 0;
25 }
26
27 static int
28 parse_flow_prealloc_size(const char *key, const char *value, void *extra_args)
29 {
30         RTE_SET_USED(key);
31         uint16_t val;
32
33         val = atoi(value);
34
35         /* Limit the prealloc size to 32 */
36         if (val < 1 || val > 32)
37                 return -EINVAL;
38
39         *(uint16_t *)extra_args = val;
40
41         return 0;
42 }
43
44 static int
45 parse_reta_size(const char *key, const char *value, void *extra_args)
46 {
47         RTE_SET_USED(key);
48         uint32_t val;
49
50         val = atoi(value);
51
52         if (val <= ETH_RSS_RETA_SIZE_64)
53                 val = ETH_RSS_RETA_SIZE_64;
54         else if (val > ETH_RSS_RETA_SIZE_64 && val <= ETH_RSS_RETA_SIZE_128)
55                 val = ETH_RSS_RETA_SIZE_128;
56         else if (val > ETH_RSS_RETA_SIZE_128 && val <= ETH_RSS_RETA_SIZE_256)
57                 val = ETH_RSS_RETA_SIZE_256;
58         else
59                 val = NIX_RSS_RETA_SIZE;
60
61         *(uint16_t *)extra_args = val;
62
63         return 0;
64 }
65
66 static int
67 parse_ipsec_in_max_spi(const char *key, const char *value, void *extra_args)
68 {
69         RTE_SET_USED(key);
70         uint32_t val;
71
72         val = atoi(value);
73
74         *(uint16_t *)extra_args = val;
75
76         return 0;
77 }
78
79 static int
80 parse_flag(const char *key, const char *value, void *extra_args)
81 {
82         RTE_SET_USED(key);
83
84         *(uint16_t *)extra_args = atoi(value);
85
86         return 0;
87 }
88
89 static int
90 parse_sqb_count(const char *key, const char *value, void *extra_args)
91 {
92         RTE_SET_USED(key);
93         uint32_t val;
94
95         val = atoi(value);
96
97         if (val < NIX_MIN_SQB || val > NIX_MAX_SQB)
98                 return -EINVAL;
99
100         *(uint16_t *)extra_args = val;
101
102         return 0;
103 }
104
105 static int
106 parse_switch_header_type(const char *key, const char *value, void *extra_args)
107 {
108         RTE_SET_USED(key);
109
110         if (strcmp(value, "higig2") == 0)
111                 *(uint16_t *)extra_args = OTX2_PRIV_FLAGS_HIGIG;
112
113         if (strcmp(value, "dsa") == 0)
114                 *(uint16_t *)extra_args = OTX2_PRIV_FLAGS_EDSA;
115
116         return 0;
117 }
118
119 #define OTX2_RSS_RETA_SIZE "reta_size"
120 #define OTX2_IPSEC_IN_MAX_SPI "ipsec_in_max_spi"
121 #define OTX2_SCL_ENABLE "scalar_enable"
122 #define OTX2_MAX_SQB_COUNT "max_sqb_count"
123 #define OTX2_FLOW_PREALLOC_SIZE "flow_prealloc_size"
124 #define OTX2_FLOW_MAX_PRIORITY "flow_max_priority"
125 #define OTX2_SWITCH_HEADER_TYPE "switch_header"
126 #define OTX2_RSS_TAG_AS_XOR "tag_as_xor"
127
128 int
129 otx2_ethdev_parse_devargs(struct rte_devargs *devargs, struct otx2_eth_dev *dev)
130 {
131         uint16_t rss_size = NIX_RSS_RETA_SIZE;
132         uint16_t sqb_count = NIX_MAX_SQB;
133         uint16_t flow_prealloc_size = 8;
134         uint16_t switch_header_type = 0;
135         uint16_t flow_max_priority = 3;
136         uint16_t ipsec_in_max_spi = 1;
137         uint16_t scalar_enable = 0;
138         uint16_t rss_tag_as_xor = 0;
139         struct rte_kvargs *kvlist;
140
141         if (devargs == NULL)
142                 goto null_devargs;
143
144         kvlist = rte_kvargs_parse(devargs->args, NULL);
145         if (kvlist == NULL)
146                 goto exit;
147
148         rte_kvargs_process(kvlist, OTX2_RSS_RETA_SIZE,
149                            &parse_reta_size, &rss_size);
150         rte_kvargs_process(kvlist, OTX2_IPSEC_IN_MAX_SPI,
151                            &parse_ipsec_in_max_spi, &ipsec_in_max_spi);
152         rte_kvargs_process(kvlist, OTX2_SCL_ENABLE,
153                            &parse_flag, &scalar_enable);
154         rte_kvargs_process(kvlist, OTX2_MAX_SQB_COUNT,
155                            &parse_sqb_count, &sqb_count);
156         rte_kvargs_process(kvlist, OTX2_FLOW_PREALLOC_SIZE,
157                            &parse_flow_prealloc_size, &flow_prealloc_size);
158         rte_kvargs_process(kvlist, OTX2_FLOW_MAX_PRIORITY,
159                            &parse_flow_max_priority, &flow_max_priority);
160         rte_kvargs_process(kvlist, OTX2_SWITCH_HEADER_TYPE,
161                            &parse_switch_header_type, &switch_header_type);
162         rte_kvargs_process(kvlist, OTX2_RSS_TAG_AS_XOR,
163                            &parse_flag, &rss_tag_as_xor);
164         rte_kvargs_free(kvlist);
165
166 null_devargs:
167         dev->ipsec_in_max_spi = ipsec_in_max_spi;
168         dev->scalar_ena = scalar_enable;
169         dev->rss_tag_as_xor = rss_tag_as_xor;
170         dev->max_sqb_count = sqb_count;
171         dev->rss_info.rss_size = rss_size;
172         dev->npc_flow.flow_prealloc_size = flow_prealloc_size;
173         dev->npc_flow.flow_max_priority = flow_max_priority;
174         dev->npc_flow.switch_header_type = switch_header_type;
175         return 0;
176
177 exit:
178         return -EINVAL;
179 }
180
181 RTE_PMD_REGISTER_PARAM_STRING(net_octeontx2,
182                               OTX2_RSS_RETA_SIZE "=<64|128|256>"
183                               OTX2_IPSEC_IN_MAX_SPI "=<1-65535>"
184                               OTX2_SCL_ENABLE "=1"
185                               OTX2_MAX_SQB_COUNT "=<8-512>"
186                               OTX2_FLOW_PREALLOC_SIZE "=<1-32>"
187                               OTX2_FLOW_MAX_PRIORITY "=<1-32>"
188                               OTX2_SWITCH_HEADER_TYPE "=<higig2|dsa>"
189                               OTX2_RSS_TAG_AS_XOR "=1");