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/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2023 Marvell.
*/
#include <ctype.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <rte_common.h>
#include <rte_string_fns.h>
#include "module_api.h"
static void
hex_string_to_uint64(uint64_t *dst, const char *hexs)
{
char buf[2] = {0};
uint8_t shift = 4;
int iter = 0;
char c;
while ((c = *hexs++)) {
buf[0] = c;
*dst |= (strtol(buf, NULL, 16) << shift);
shift -= 4;
iter++;
if (iter == 2) {
iter = 0;
shift = 4;
dst++;
}
}
}
int
parser_uint64_read(uint64_t *value, const char *p)
{
char *next;
uint64_t val;
p = rte_str_skip_leading_spaces(p);
if (!isdigit(*p))
return -EINVAL;
val = strtoul(p, &next, 0);
if (p == next)
return -EINVAL;
p = next;
switch (*p) {
case 'T':
val *= 1024ULL;
/* fall through */
case 'G':
val *= 1024ULL;
/* fall through */
case 'M':
val *= 1024ULL;
/* fall through */
case 'k':
case 'K':
val *= 1024ULL;
p++;
break;
}
p = rte_str_skip_leading_spaces(p);
if (*p != '\0')
return -EINVAL;
*value = val;
return 0;
}
int
parser_uint32_read(uint32_t *value, const char *p)
{
uint64_t val = 0;
int rc = parser_uint64_read(&val, p);
if (rc < 0)
return rc;
if (val > UINT32_MAX)
return -ERANGE;
*value = val;
return 0;
}
int
parser_ip4_read(uint32_t *value, char *p)
{
uint8_t shift = 24;
uint32_t ip = 0;
char *token, *saveptr = NULL;
token = strtok_r(p, ".", &saveptr);
while (token != NULL) {
ip |= (((uint32_t)strtoul(token, NULL, 10)) << shift);
token = strtok_r(NULL, ".", &saveptr);
shift -= 8;
}
*value = ip;
return 0;
}
int
parser_ip6_read(uint8_t *value, char *p)
{
uint64_t val = 0;
char *token, *saveptr = NULL;
token = strtok_r(p, ":", &saveptr);
while (token != NULL) {
hex_string_to_uint64(&val, token);
*value = val;
token = strtok_r(NULL, ":", &saveptr);
value++;
val = 0;
}
return 0;
}
int
parser_mac_read(uint64_t *value, char *p)
{
uint64_t mac = 0, val = 0;
uint8_t shift = 40;
char *token, *saveptr = NULL;
token = strtok_r(p, ":", &saveptr);
while (token != NULL) {
hex_string_to_uint64(&val, token);
mac |= val << shift;
token = strtok_r(NULL, ":", &saveptr);
shift -= 8;
val = 0;
}
*value = mac;
return 0;
}
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