net/mlx5: add VLAN push/pop DR commands to glue
[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_ptype_flag(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         if (val)
74                 val = 0; /* Disable NIX_RX_OFFLOAD_PTYPE_F */
75
76         *(uint16_t *)extra_args = val;
77
78         return 0;
79 }
80
81 static int
82 parse_flag(const char *key, const char *value, void *extra_args)
83 {
84         RTE_SET_USED(key);
85
86         *(uint16_t *)extra_args = atoi(value);
87
88         return 0;
89 }
90
91 static int
92 parse_sqb_count(const char *key, const char *value, void *extra_args)
93 {
94         RTE_SET_USED(key);
95         uint32_t val;
96
97         val = atoi(value);
98
99         if (val < NIX_MIN_SQB || val > NIX_MAX_SQB)
100                 return -EINVAL;
101
102         *(uint16_t *)extra_args = val;
103
104         return 0;
105 }
106
107 #define OTX2_RSS_RETA_SIZE "reta_size"
108 #define OTX2_PTYPE_DISABLE "ptype_disable"
109 #define OTX2_SCL_ENABLE "scalar_enable"
110 #define OTX2_MAX_SQB_COUNT "max_sqb_count"
111 #define OTX2_FLOW_PREALLOC_SIZE "flow_prealloc_size"
112 #define OTX2_FLOW_MAX_PRIORITY "flow_max_priority"
113
114 int
115 otx2_ethdev_parse_devargs(struct rte_devargs *devargs, struct otx2_eth_dev *dev)
116 {
117         uint16_t offload_flag = NIX_RX_OFFLOAD_PTYPE_F;
118         uint16_t rss_size = NIX_RSS_RETA_SIZE;
119         uint16_t sqb_count = NIX_MAX_SQB;
120         uint16_t flow_prealloc_size = 8;
121         uint16_t flow_max_priority = 3;
122         uint16_t scalar_enable = 0;
123         struct rte_kvargs *kvlist;
124
125         if (devargs == NULL)
126                 goto null_devargs;
127
128         kvlist = rte_kvargs_parse(devargs->args, NULL);
129         if (kvlist == NULL)
130                 goto exit;
131
132         rte_kvargs_process(kvlist, OTX2_PTYPE_DISABLE,
133                            &parse_ptype_flag, &offload_flag);
134         rte_kvargs_process(kvlist, OTX2_RSS_RETA_SIZE,
135                            &parse_reta_size, &rss_size);
136         rte_kvargs_process(kvlist, OTX2_SCL_ENABLE,
137                            &parse_flag, &scalar_enable);
138         rte_kvargs_process(kvlist, OTX2_MAX_SQB_COUNT,
139                            &parse_sqb_count, &sqb_count);
140         rte_kvargs_process(kvlist, OTX2_FLOW_PREALLOC_SIZE,
141                            &parse_flow_prealloc_size, &flow_prealloc_size);
142         rte_kvargs_process(kvlist, OTX2_FLOW_MAX_PRIORITY,
143                            &parse_flow_max_priority, &flow_max_priority);
144         rte_kvargs_free(kvlist);
145
146 null_devargs:
147         dev->rx_offload_flags = offload_flag;
148         dev->scalar_ena = scalar_enable;
149         dev->max_sqb_count = sqb_count;
150         dev->rss_info.rss_size = rss_size;
151         dev->npc_flow.flow_prealloc_size = flow_prealloc_size;
152         dev->npc_flow.flow_max_priority = flow_max_priority;
153         return 0;
154
155 exit:
156         return -EINVAL;
157 }
158
159 RTE_PMD_REGISTER_PARAM_STRING(net_octeontx2,
160                               OTX2_RSS_RETA_SIZE "=<64|128|256>"
161                               OTX2_PTYPE_DISABLE "=1"
162                               OTX2_SCL_ENABLE "=1"
163                               OTX2_MAX_SQB_COUNT "=<8-512>"
164                               OTX2_FLOW_PREALLOC_SIZE "=<1-32>"
165                               OTX2_FLOW_MAX_PRIORITY "=<1-32>");