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numam-dpdk/drivers/net/cnxk/cnxk_ethdev_devargs.c
Kiran Kumar K 7df4ead354 net/cnxk: support parsing custom SA action 
Adding devargs support to parse custom SA action.
Devargs can be specified in the following way.
-a 0002:02:00.0,custom_sa_act=1

Signed-off-by: Kiran Kumar K <kirankumark@marvell.com>
Acked-by: Jerin Jacob <jerinj@marvell.com>
2022-05-07 11:45:01 +02:00

360 lines
9.2 KiB
C
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/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(C) 2021 Marvell.
*/
#include <inttypes.h>
#include <math.h>
#include "cnxk_ethdev.h"
struct sdp_channel {
bool is_sdp_mask_set;
uint16_t channel;
uint16_t mask;
};
struct flow_pre_l2_size_info {
uint8_t pre_l2_size_off;
uint8_t pre_l2_size_off_mask;
uint8_t pre_l2_size_shift_dir;
};
static int
parse_outb_nb_desc(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_outb_nb_crypto_qs(const char *key, const char *value, void *extra_args)
{
RTE_SET_USED(key);
uint32_t val;
val = atoi(value);
if (val < 1 || val > 64)
return -EINVAL;
*(uint16_t *)extra_args = val;
return 0;
}
static int
parse_ipsec_in_spi_range(const char *key, const char *value, void *extra_args)
{
RTE_SET_USED(key);
uint32_t val;
errno = 0;
val = strtoul(value, NULL, 0);
if (errno)
val = 0;
*(uint32_t *)extra_args = val;
return 0;
}
static int
parse_ipsec_out_max_sa(const char *key, const char *value, void *extra_args)
{
RTE_SET_USED(key);
uint32_t val;
errno = 0;
val = strtoul(value, NULL, 0);
if (errno)
val = 0;
*(uint16_t *)extra_args = val;
return 0;
}
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 <= RTE_ETH_RSS_RETA_SIZE_64)
val = ROC_NIX_RSS_RETA_SZ_64;
else if (val > RTE_ETH_RSS_RETA_SIZE_64 && val <= RTE_ETH_RSS_RETA_SIZE_128)
val = ROC_NIX_RSS_RETA_SZ_128;
else if (val > RTE_ETH_RSS_RETA_SIZE_128 && val <= RTE_ETH_RSS_RETA_SIZE_256)
val = ROC_NIX_RSS_RETA_SZ_256;
else
val = ROC_NIX_RSS_RETA_SZ_64;
*(uint16_t *)extra_args = val;
return 0;
}
static int
parse_pre_l2_hdr_info(const char *key, const char *value, void *extra_args)
{
struct flow_pre_l2_size_info *info =
(struct flow_pre_l2_size_info *)extra_args;
char *tok1 = NULL, *tok2 = NULL;
uint16_t off, off_mask, dir;
RTE_SET_USED(key);
off = strtol(value, &tok1, 16);
tok1++;
off_mask = strtol(tok1, &tok2, 16);
tok2++;
dir = strtol(tok2, 0, 16);
if (off >= 256 || off_mask < 1 || off_mask >= 256 || dir > 1)
return -EINVAL;
info->pre_l2_size_off = off;
info->pre_l2_size_off_mask = off_mask;
info->pre_l2_size_shift_dir = dir;
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);
*(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 = ROC_PRIV_FLAGS_HIGIG;
if (strcmp(value, "dsa") == 0)
*(uint16_t *)extra_args = ROC_PRIV_FLAGS_EDSA;
if (strcmp(value, "chlen90b") == 0)
*(uint16_t *)extra_args = ROC_PRIV_FLAGS_LEN_90B;
if (strcmp(value, "exdsa") == 0)
*(uint16_t *)extra_args = ROC_PRIV_FLAGS_EXDSA;
if (strcmp(value, "vlan_exdsa") == 0)
*(uint16_t *)extra_args = ROC_PRIV_FLAGS_VLAN_EXDSA;
if (strcmp(value, "pre_l2") == 0)
*(uint16_t *)extra_args = ROC_PRIV_FLAGS_PRE_L2;
return 0;
}
static int
parse_sdp_channel_mask(const char *key, const char *value, void *extra_args)
{
RTE_SET_USED(key);
uint16_t chan = 0, mask = 0;
char *next = 0;
/* next will point to the separator '/' */
chan = strtol(value, &next, 16);
mask = strtol(++next, 0, 16);
if (chan > GENMASK(11, 0) || mask > GENMASK(11, 0))
return -EINVAL;
((struct sdp_channel *)extra_args)->channel = chan;
((struct sdp_channel *)extra_args)->mask = mask;
((struct sdp_channel *)extra_args)->is_sdp_mask_set = true;
return 0;
}
#define CNXK_RSS_RETA_SIZE "reta_size"
#define CNXK_SCL_ENABLE "scalar_enable"
#define CNXK_MAX_SQB_COUNT "max_sqb_count"
#define CNXK_FLOW_PREALLOC_SIZE "flow_prealloc_size"
#define CNXK_FLOW_MAX_PRIORITY "flow_max_priority"
#define CNXK_SWITCH_HEADER_TYPE "switch_header"
#define CNXK_RSS_TAG_AS_XOR "tag_as_xor"
#define CNXK_LOCK_RX_CTX "lock_rx_ctx"
#define CNXK_IPSEC_IN_MIN_SPI "ipsec_in_min_spi"
#define CNXK_IPSEC_IN_MAX_SPI "ipsec_in_max_spi"
#define CNXK_IPSEC_OUT_MAX_SA "ipsec_out_max_sa"
#define CNXK_OUTB_NB_DESC "outb_nb_desc"
#define CNXK_NO_INL_DEV "no_inl_dev"
#define CNXK_OUTB_NB_CRYPTO_QS "outb_nb_crypto_qs"
#define CNXK_SDP_CHANNEL_MASK "sdp_channel_mask"
#define CNXK_FLOW_PRE_L2_INFO "flow_pre_l2_info"
#define CNXK_CUSTOM_SA_ACT "custom_sa_act"
int
cnxk_ethdev_parse_devargs(struct rte_devargs *devargs, struct cnxk_eth_dev *dev)
{
uint16_t reta_sz = ROC_NIX_RSS_RETA_SZ_64;
uint16_t sqb_count = CNXK_NIX_TX_MAX_SQB;
struct flow_pre_l2_size_info pre_l2_info;
uint32_t ipsec_in_max_spi = BIT(8) - 1;
uint32_t ipsec_out_max_sa = BIT(12);
uint16_t flow_prealloc_size = 1;
uint16_t switch_header_type = 0;
uint16_t flow_max_priority = 3;
uint16_t outb_nb_crypto_qs = 1;
uint32_t ipsec_in_min_spi = 0;
uint16_t outb_nb_desc = 8200;
struct sdp_channel sdp_chan;
uint16_t rss_tag_as_xor = 0;
uint16_t scalar_enable = 0;
uint16_t custom_sa_act = 0;
struct rte_kvargs *kvlist;
uint16_t no_inl_dev = 0;
uint8_t lock_rx_ctx = 0;
memset(&sdp_chan, 0, sizeof(sdp_chan));
memset(&pre_l2_info, 0, sizeof(struct flow_pre_l2_size_info));
if (devargs == NULL)
goto null_devargs;
kvlist = rte_kvargs_parse(devargs->args, NULL);
if (kvlist == NULL)
goto exit;
rte_kvargs_process(kvlist, CNXK_RSS_RETA_SIZE, &parse_reta_size,
&reta_sz);
rte_kvargs_process(kvlist, CNXK_SCL_ENABLE, &parse_flag,
&scalar_enable);
rte_kvargs_process(kvlist, CNXK_MAX_SQB_COUNT, &parse_sqb_count,
&sqb_count);
rte_kvargs_process(kvlist, CNXK_FLOW_PREALLOC_SIZE,
&parse_flow_prealloc_size, &flow_prealloc_size);
rte_kvargs_process(kvlist, CNXK_FLOW_MAX_PRIORITY,
&parse_flow_max_priority, &flow_max_priority);
rte_kvargs_process(kvlist, CNXK_SWITCH_HEADER_TYPE,
&parse_switch_header_type, &switch_header_type);
rte_kvargs_process(kvlist, CNXK_RSS_TAG_AS_XOR, &parse_flag,
&rss_tag_as_xor);
rte_kvargs_process(kvlist, CNXK_LOCK_RX_CTX, &parse_flag, &lock_rx_ctx);
rte_kvargs_process(kvlist, CNXK_IPSEC_IN_MIN_SPI,
&parse_ipsec_in_spi_range, &ipsec_in_min_spi);
rte_kvargs_process(kvlist, CNXK_IPSEC_IN_MAX_SPI,
&parse_ipsec_in_spi_range, &ipsec_in_max_spi);
rte_kvargs_process(kvlist, CNXK_IPSEC_OUT_MAX_SA,
&parse_ipsec_out_max_sa, &ipsec_out_max_sa);
rte_kvargs_process(kvlist, CNXK_OUTB_NB_DESC, &parse_outb_nb_desc,
&outb_nb_desc);
rte_kvargs_process(kvlist, CNXK_OUTB_NB_CRYPTO_QS,
&parse_outb_nb_crypto_qs, &outb_nb_crypto_qs);
rte_kvargs_process(kvlist, CNXK_NO_INL_DEV, &parse_flag, &no_inl_dev);
rte_kvargs_process(kvlist, CNXK_SDP_CHANNEL_MASK,
&parse_sdp_channel_mask, &sdp_chan);
rte_kvargs_process(kvlist, CNXK_FLOW_PRE_L2_INFO,
&parse_pre_l2_hdr_info, &pre_l2_info);
rte_kvargs_process(kvlist, CNXK_CUSTOM_SA_ACT, &parse_flag,
&custom_sa_act);
rte_kvargs_free(kvlist);
null_devargs:
dev->scalar_ena = !!scalar_enable;
dev->inb.no_inl_dev = !!no_inl_dev;
dev->inb.max_spi = ipsec_in_max_spi;
dev->outb.max_sa = ipsec_out_max_sa;
dev->outb.nb_desc = outb_nb_desc;
dev->outb.nb_crypto_qs = outb_nb_crypto_qs;
dev->nix.ipsec_in_min_spi = ipsec_in_min_spi;
dev->nix.ipsec_in_max_spi = ipsec_in_max_spi;
dev->nix.ipsec_out_max_sa = ipsec_out_max_sa;
dev->nix.rss_tag_as_xor = !!rss_tag_as_xor;
dev->nix.max_sqb_count = sqb_count;
dev->nix.reta_sz = reta_sz;
dev->nix.lock_rx_ctx = lock_rx_ctx;
dev->nix.custom_sa_action = custom_sa_act;
dev->npc.flow_prealloc_size = flow_prealloc_size;
dev->npc.flow_max_priority = flow_max_priority;
dev->npc.switch_header_type = switch_header_type;
dev->npc.sdp_channel = sdp_chan.channel;
dev->npc.sdp_channel_mask = sdp_chan.mask;
dev->npc.is_sdp_mask_set = sdp_chan.is_sdp_mask_set;
dev->npc.pre_l2_size_offset = pre_l2_info.pre_l2_size_off;
dev->npc.pre_l2_size_offset_mask = pre_l2_info.pre_l2_size_off_mask;
dev->npc.pre_l2_size_shift_dir = pre_l2_info.pre_l2_size_shift_dir;
return 0;
exit:
return -EINVAL;
}
RTE_PMD_REGISTER_PARAM_STRING(net_cnxk,
CNXK_RSS_RETA_SIZE "=<64|128|256>"
CNXK_SCL_ENABLE "=1"
CNXK_MAX_SQB_COUNT "=<8-512>"
CNXK_FLOW_PREALLOC_SIZE "=<1-32>"
CNXK_FLOW_MAX_PRIORITY "=<1-32>"
CNXK_SWITCH_HEADER_TYPE "=<higig2|dsa|chlen90b>"
CNXK_RSS_TAG_AS_XOR "=1"
CNXK_IPSEC_IN_MAX_SPI "=<1-65535>"
CNXK_OUTB_NB_DESC "=<1-65535>"
CNXK_FLOW_PRE_L2_INFO "=<0-255>/<1-255>/<0-1>"
CNXK_OUTB_NB_CRYPTO_QS "=<1-64>"
CNXK_NO_INL_DEV "=0"
CNXK_SDP_CHANNEL_MASK "=<1-4095>/<1-4095>"
CNXK_CUSTOM_SA_ACT "=1");
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