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/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(C) 2019 Marvell International Ltd.
*/
#include <inttypes.h>
#include <math.h>
#include "otx2_ethdev.h"
static int
parse_flow_max_priority(const char *key, const char *value, void *extra_args)
{
RTE_SET_USED(key);
uint16_t val;
val = atoi(value);
/* Limit the max priority to 32 */
if (val < 1 || val > 32)
return -EINVAL;
*(uint16_t *)extra_args = val;
return 0;
}
static int
parse_flow_prealloc_size(const char *key, const char *value, void *extra_args)
{
RTE_SET_USED(key);
uint16_t val;
val = atoi(value);
/* Limit the prealloc size to 32 */
if (val < 1 || val > 32)
return -EINVAL;
*(uint16_t *)extra_args = val;
return 0;
}
static int
parse_reta_size(const char *key, const char *value, void *extra_args)
{
RTE_SET_USED(key);
uint32_t val;
val = atoi(value);
if (val <= ETH_RSS_RETA_SIZE_64)
val = ETH_RSS_RETA_SIZE_64;
else if (val > ETH_RSS_RETA_SIZE_64 && val <= ETH_RSS_RETA_SIZE_128)
val = ETH_RSS_RETA_SIZE_128;
else if (val > ETH_RSS_RETA_SIZE_128 && val <= ETH_RSS_RETA_SIZE_256)
val = ETH_RSS_RETA_SIZE_256;
else
val = NIX_RSS_RETA_SIZE;
*(uint16_t *)extra_args = val;
return 0;
}
static int
parse_ipsec_in_max_spi(const char *key, const char *value, void *extra_args)
{
RTE_SET_USED(key);
uint32_t val;
val = atoi(value);
*(uint16_t *)extra_args = val;
return 0;
}
static int
parse_flag(const char *key, const char *value, void *extra_args)
{
RTE_SET_USED(key);
*(uint16_t *)extra_args = atoi(value);
return 0;
}
static int
parse_sqb_count(const char *key, const char *value, void *extra_args)
{
RTE_SET_USED(key);
uint32_t val;
val = atoi(value);
if (val < NIX_MIN_SQB || val > NIX_MAX_SQB)
return -EINVAL;
*(uint16_t *)extra_args = val;
return 0;
}
static int
parse_switch_header_type(const char *key, const char *value, void *extra_args)
{
RTE_SET_USED(key);
if (strcmp(value, "higig2") == 0)
*(uint16_t *)extra_args = OTX2_PRIV_FLAGS_HIGIG;
if (strcmp(value, "dsa") == 0)
*(uint16_t *)extra_args = OTX2_PRIV_FLAGS_EDSA;
if (strcmp(value, "chlen90b") == 0)
*(uint16_t *)extra_args = OTX2_PRIV_FLAGS_LEN_90B;
return 0;
}
#define OTX2_RSS_RETA_SIZE "reta_size"
#define OTX2_IPSEC_IN_MAX_SPI "ipsec_in_max_spi"
#define OTX2_SCL_ENABLE "scalar_enable"
#define OTX2_MAX_SQB_COUNT "max_sqb_count"
#define OTX2_FLOW_PREALLOC_SIZE "flow_prealloc_size"
#define OTX2_FLOW_MAX_PRIORITY "flow_max_priority"
#define OTX2_SWITCH_HEADER_TYPE "switch_header"
#define OTX2_RSS_TAG_AS_XOR "tag_as_xor"
int
otx2_ethdev_parse_devargs(struct rte_devargs *devargs, struct otx2_eth_dev *dev)
{
uint16_t rss_size = NIX_RSS_RETA_SIZE;
uint16_t sqb_count = NIX_MAX_SQB;
uint16_t flow_prealloc_size = 8;
uint16_t switch_header_type = 0;
uint16_t flow_max_priority = 3;
uint16_t ipsec_in_max_spi = 1;
uint16_t scalar_enable = 0;
uint16_t rss_tag_as_xor = 0;
struct rte_kvargs *kvlist;
if (devargs == NULL)
goto null_devargs;
kvlist = rte_kvargs_parse(devargs->args, NULL);
if (kvlist == NULL)
goto exit;
rte_kvargs_process(kvlist, OTX2_RSS_RETA_SIZE,
&parse_reta_size, &rss_size);
rte_kvargs_process(kvlist, OTX2_IPSEC_IN_MAX_SPI,
&parse_ipsec_in_max_spi, &ipsec_in_max_spi);
rte_kvargs_process(kvlist, OTX2_SCL_ENABLE,
&parse_flag, &scalar_enable);
rte_kvargs_process(kvlist, OTX2_MAX_SQB_COUNT,
&parse_sqb_count, &sqb_count);
rte_kvargs_process(kvlist, OTX2_FLOW_PREALLOC_SIZE,
&parse_flow_prealloc_size, &flow_prealloc_size);
rte_kvargs_process(kvlist, OTX2_FLOW_MAX_PRIORITY,
&parse_flow_max_priority, &flow_max_priority);
rte_kvargs_process(kvlist, OTX2_SWITCH_HEADER_TYPE,
&parse_switch_header_type, &switch_header_type);
rte_kvargs_process(kvlist, OTX2_RSS_TAG_AS_XOR,
&parse_flag, &rss_tag_as_xor);
otx2_parse_common_devargs(kvlist);
rte_kvargs_free(kvlist);
null_devargs:
dev->ipsec_in_max_spi = ipsec_in_max_spi;
dev->scalar_ena = scalar_enable;
dev->rss_tag_as_xor = rss_tag_as_xor;
dev->max_sqb_count = sqb_count;
dev->rss_info.rss_size = rss_size;
dev->npc_flow.flow_prealloc_size = flow_prealloc_size;
dev->npc_flow.flow_max_priority = flow_max_priority;
dev->npc_flow.switch_header_type = switch_header_type;
return 0;
exit:
return -EINVAL;
}
RTE_PMD_REGISTER_PARAM_STRING(net_octeontx2,
OTX2_RSS_RETA_SIZE "=<64|128|256>"
OTX2_IPSEC_IN_MAX_SPI "=<1-65535>"
OTX2_SCL_ENABLE "=1"
OTX2_MAX_SQB_COUNT "=<8-512>"
OTX2_FLOW_PREALLOC_SIZE "=<1-32>"
OTX2_FLOW_MAX_PRIORITY "=<1-32>"
OTX2_SWITCH_HEADER_TYPE "=<higig2|dsa|chlen90b>"
OTX2_RSS_TAG_AS_XOR "=1"
OTX2_NPA_LOCK_MASK "=<1-65535>");
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