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_flag(const char *key, const char *value, void *extra_args)
71 *(uint16_t *)extra_args = atoi(value);
77 parse_sqb_count(const char *key, const char *value, void *extra_args)
84 if (val < NIX_MIN_SQB || val > NIX_MAX_SQB)
87 *(uint16_t *)extra_args = val;
93 parse_switch_header_type(const char *key, const char *value, void *extra_args)
97 if (strcmp(value, "higig2") == 0)
98 *(uint16_t *)extra_args = OTX2_PRIV_FLAGS_HIGIG;
100 if (strcmp(value, "dsa") == 0)
101 *(uint16_t *)extra_args = OTX2_PRIV_FLAGS_EDSA;
106 #define OTX2_RSS_RETA_SIZE "reta_size"
107 #define OTX2_SCL_ENABLE "scalar_enable"
108 #define OTX2_MAX_SQB_COUNT "max_sqb_count"
109 #define OTX2_FLOW_PREALLOC_SIZE "flow_prealloc_size"
110 #define OTX2_FLOW_MAX_PRIORITY "flow_max_priority"
111 #define OTX2_SWITCH_HEADER_TYPE "switch_header"
112 #define OTX2_RSS_TAG_AS_XOR "tag_as_xor"
115 otx2_ethdev_parse_devargs(struct rte_devargs *devargs, struct otx2_eth_dev *dev)
117 uint16_t rss_size = NIX_RSS_RETA_SIZE;
118 uint16_t sqb_count = NIX_MAX_SQB;
119 uint16_t flow_prealloc_size = 8;
120 uint16_t switch_header_type = 0;
121 uint16_t flow_max_priority = 3;
122 uint16_t scalar_enable = 0;
123 uint16_t rss_tag_as_xor = 0;
124 struct rte_kvargs *kvlist;
129 kvlist = rte_kvargs_parse(devargs->args, NULL);
133 rte_kvargs_process(kvlist, OTX2_RSS_RETA_SIZE,
134 &parse_reta_size, &rss_size);
135 rte_kvargs_process(kvlist, OTX2_SCL_ENABLE,
136 &parse_flag, &scalar_enable);
137 rte_kvargs_process(kvlist, OTX2_MAX_SQB_COUNT,
138 &parse_sqb_count, &sqb_count);
139 rte_kvargs_process(kvlist, OTX2_FLOW_PREALLOC_SIZE,
140 &parse_flow_prealloc_size, &flow_prealloc_size);
141 rte_kvargs_process(kvlist, OTX2_FLOW_MAX_PRIORITY,
142 &parse_flow_max_priority, &flow_max_priority);
143 rte_kvargs_process(kvlist, OTX2_SWITCH_HEADER_TYPE,
144 &parse_switch_header_type, &switch_header_type);
145 rte_kvargs_process(kvlist, OTX2_RSS_TAG_AS_XOR,
146 &parse_flag, &rss_tag_as_xor);
147 rte_kvargs_free(kvlist);
150 dev->scalar_ena = scalar_enable;
151 dev->rss_tag_as_xor = rss_tag_as_xor;
152 dev->max_sqb_count = sqb_count;
153 dev->rss_info.rss_size = rss_size;
154 dev->npc_flow.flow_prealloc_size = flow_prealloc_size;
155 dev->npc_flow.flow_max_priority = flow_max_priority;
156 dev->npc_flow.switch_header_type = switch_header_type;
163 RTE_PMD_REGISTER_PARAM_STRING(net_octeontx2,
164 OTX2_RSS_RETA_SIZE "=<64|128|256>"
166 OTX2_MAX_SQB_COUNT "=<8-512>"
167 OTX2_FLOW_PREALLOC_SIZE "=<1-32>"
168 OTX2_FLOW_MAX_PRIORITY "=<1-32>"
169 OTX2_SWITCH_HEADER_TYPE "=<higig2|dsa>"
170 OTX2_RSS_TAG_AS_XOR "=1");