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_ipsec_in_max_spi(const char *key, const char *value, void *extra_args)
74 *(uint16_t *)extra_args = val;
80 parse_flag(const char *key, const char *value, void *extra_args)
84 *(uint16_t *)extra_args = atoi(value);
90 parse_sqb_count(const char *key, const char *value, void *extra_args)
97 if (val < NIX_MIN_SQB || val > NIX_MAX_SQB)
100 *(uint16_t *)extra_args = val;
106 parse_switch_header_type(const char *key, const char *value, void *extra_args)
110 if (strcmp(value, "higig2") == 0)
111 *(uint16_t *)extra_args = OTX2_PRIV_FLAGS_HIGIG;
113 if (strcmp(value, "dsa") == 0)
114 *(uint16_t *)extra_args = OTX2_PRIV_FLAGS_EDSA;
116 if (strcmp(value, "chlen90b") == 0)
117 *(uint16_t *)extra_args = OTX2_PRIV_FLAGS_LEN_90B;
121 #define OTX2_RSS_RETA_SIZE "reta_size"
122 #define OTX2_IPSEC_IN_MAX_SPI "ipsec_in_max_spi"
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"
128 #define OTX2_RSS_TAG_AS_XOR "tag_as_xor"
131 otx2_ethdev_parse_devargs(struct rte_devargs *devargs, struct otx2_eth_dev *dev)
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 ipsec_in_max_spi = 1;
139 uint16_t scalar_enable = 0;
140 uint16_t rss_tag_as_xor = 0;
141 struct rte_kvargs *kvlist;
146 kvlist = rte_kvargs_parse(devargs->args, NULL);
150 rte_kvargs_process(kvlist, OTX2_RSS_RETA_SIZE,
151 &parse_reta_size, &rss_size);
152 rte_kvargs_process(kvlist, OTX2_IPSEC_IN_MAX_SPI,
153 &parse_ipsec_in_max_spi, &ipsec_in_max_spi);
154 rte_kvargs_process(kvlist, OTX2_SCL_ENABLE,
155 &parse_flag, &scalar_enable);
156 rte_kvargs_process(kvlist, OTX2_MAX_SQB_COUNT,
157 &parse_sqb_count, &sqb_count);
158 rte_kvargs_process(kvlist, OTX2_FLOW_PREALLOC_SIZE,
159 &parse_flow_prealloc_size, &flow_prealloc_size);
160 rte_kvargs_process(kvlist, OTX2_FLOW_MAX_PRIORITY,
161 &parse_flow_max_priority, &flow_max_priority);
162 rte_kvargs_process(kvlist, OTX2_SWITCH_HEADER_TYPE,
163 &parse_switch_header_type, &switch_header_type);
164 rte_kvargs_process(kvlist, OTX2_RSS_TAG_AS_XOR,
165 &parse_flag, &rss_tag_as_xor);
166 otx2_parse_common_devargs(kvlist);
167 rte_kvargs_free(kvlist);
170 dev->ipsec_in_max_spi = ipsec_in_max_spi;
171 dev->scalar_ena = scalar_enable;
172 dev->rss_tag_as_xor = rss_tag_as_xor;
173 dev->max_sqb_count = sqb_count;
174 dev->rss_info.rss_size = rss_size;
175 dev->npc_flow.flow_prealloc_size = flow_prealloc_size;
176 dev->npc_flow.flow_max_priority = flow_max_priority;
177 dev->npc_flow.switch_header_type = switch_header_type;
184 RTE_PMD_REGISTER_PARAM_STRING(net_octeontx2,
185 OTX2_RSS_RETA_SIZE "=<64|128|256>"
186 OTX2_IPSEC_IN_MAX_SPI "=<1-65535>"
188 OTX2_MAX_SQB_COUNT "=<8-512>"
189 OTX2_FLOW_PREALLOC_SIZE "=<1-32>"
190 OTX2_FLOW_MAX_PRIORITY "=<1-32>"
191 OTX2_SWITCH_HEADER_TYPE "=<higig2|dsa|chlen90b>"
192 OTX2_RSS_TAG_AS_XOR "=1"
193 OTX2_NPA_LOCK_MASK "=<1-65535>");