1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(C) 2019 Marvell International Ltd.
8 #include "otx2_ethdev.h"
11 parse_flow_max_priority(const char *key, const char *value, void *extra_args)
18 /* Limit the max priority to 32 */
19 if (val < 1 || val > 32)
22 *(uint16_t *)extra_args = val;
28 parse_flow_prealloc_size(const char *key, const char *value, void *extra_args)
35 /* Limit the prealloc size to 32 */
36 if (val < 1 || val > 32)
39 *(uint16_t *)extra_args = val;
45 parse_reta_size(const char *key, const char *value, void *extra_args)
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;
59 val = NIX_RSS_RETA_SIZE;
61 *(uint16_t *)extra_args = val;
67 parse_ptype_flag(const char *key, const char *value, void *extra_args)
74 val = 0; /* Disable NIX_RX_OFFLOAD_PTYPE_F */
76 *(uint16_t *)extra_args = val;
82 parse_flag(const char *key, const char *value, void *extra_args)
86 *(uint16_t *)extra_args = atoi(value);
92 parse_sqb_count(const char *key, const char *value, void *extra_args)
99 if (val < NIX_MIN_SQB || val > NIX_MAX_SQB)
102 *(uint16_t *)extra_args = val;
108 parse_switch_header_type(const char *key, const char *value, void *extra_args)
112 if (strcmp(value, "higig2") == 0)
113 *(uint16_t *)extra_args = OTX2_PRIV_FLAGS_HIGIG;
115 if (strcmp(value, "dsa") == 0)
116 *(uint16_t *)extra_args = OTX2_PRIV_FLAGS_EDSA;
121 #define OTX2_RSS_RETA_SIZE "reta_size"
122 #define OTX2_PTYPE_DISABLE "ptype_disable"
123 #define OTX2_SCL_ENABLE "scalar_enable"
124 #define OTX2_MAX_SQB_COUNT "max_sqb_count"
125 #define OTX2_FLOW_PREALLOC_SIZE "flow_prealloc_size"
126 #define OTX2_FLOW_MAX_PRIORITY "flow_max_priority"
127 #define OTX2_SWITCH_HEADER_TYPE "switch_header"
130 otx2_ethdev_parse_devargs(struct rte_devargs *devargs, struct otx2_eth_dev *dev)
132 uint16_t offload_flag = NIX_RX_OFFLOAD_PTYPE_F;
133 uint16_t rss_size = NIX_RSS_RETA_SIZE;
134 uint16_t sqb_count = NIX_MAX_SQB;
135 uint16_t flow_prealloc_size = 8;
136 uint16_t switch_header_type = 0;
137 uint16_t flow_max_priority = 3;
138 uint16_t scalar_enable = 0;
139 struct rte_kvargs *kvlist;
144 kvlist = rte_kvargs_parse(devargs->args, NULL);
148 rte_kvargs_process(kvlist, OTX2_PTYPE_DISABLE,
149 &parse_ptype_flag, &offload_flag);
150 rte_kvargs_process(kvlist, OTX2_RSS_RETA_SIZE,
151 &parse_reta_size, &rss_size);
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_free(kvlist);
165 dev->rx_offload_flags = offload_flag;
166 dev->scalar_ena = scalar_enable;
167 dev->max_sqb_count = sqb_count;
168 dev->rss_info.rss_size = rss_size;
169 dev->npc_flow.flow_prealloc_size = flow_prealloc_size;
170 dev->npc_flow.flow_max_priority = flow_max_priority;
171 dev->npc_flow.switch_header_type = switch_header_type;
178 RTE_PMD_REGISTER_PARAM_STRING(net_octeontx2,
179 OTX2_RSS_RETA_SIZE "=<64|128|256>"
180 OTX2_PTYPE_DISABLE "=1"
182 OTX2_MAX_SQB_COUNT "=<8-512>"
183 OTX2_FLOW_PREALLOC_SIZE "=<1-32>"
184 OTX2_FLOW_MAX_PRIORITY "=<1-32>"
185 OTX2_SWITCH_HEADER_TYPE "=<higig2|dsa>");