*/
#include "rte_ethdev.h"
+#include "rte_ethdev_driver.h"
#include "ethdev_private.h"
uint16_t
return NULL;
}
+int
+rte_eth_devargs_parse_list(char *str, rte_eth_devargs_callback_t callback,
+ void *data)
+{
+ char *str_start;
+ int state;
+ int result;
+
+ if (*str != '[')
+ /* Single element, not a list */
+ return callback(str, data);
+
+ /* Sanity check, then strip the brackets */
+ str_start = &str[strlen(str) - 1];
+ if (*str_start != ']') {
+ RTE_LOG(ERR, EAL, "(%s): List does not end with ']'\n", str);
+ return -EINVAL;
+ }
+ str++;
+ *str_start = '\0';
+
+ /* Process list elements */
+ state = 0;
+ while (1) {
+ if (state == 0) {
+ if (*str == '\0')
+ break;
+ if (*str != ',') {
+ str_start = str;
+ state = 1;
+ }
+ } else if (state == 1) {
+ if (*str == ',' || *str == '\0') {
+ if (str > str_start) {
+ /* Non-empty string fragment */
+ *str = '\0';
+ result = callback(str_start, data);
+ if (result < 0)
+ return result;
+ }
+ state = 0;
+ }
+ }
+ str++;
+ }
+ return 0;
+}
+
+static int
+rte_eth_devargs_process_range(char *str, uint16_t *list, uint16_t *len_list,
+ const uint16_t max_list)
+{
+ uint16_t lo, hi, val;
+ int result;
+
+ result = sscanf(str, "%hu-%hu", &lo, &hi);
+ if (result == 1) {
+ if (*len_list >= max_list)
+ return -ENOMEM;
+ list[(*len_list)++] = lo;
+ } else if (result == 2) {
+ if (lo >= hi || lo > RTE_MAX_ETHPORTS || hi > RTE_MAX_ETHPORTS)
+ return -EINVAL;
+ for (val = lo; val <= hi; val++) {
+ if (*len_list >= max_list)
+ return -ENOMEM;
+ list[(*len_list)++] = val;
+ }
+ } else
+ return -EINVAL;
+ return 0;
+}
+
+int
+rte_eth_devargs_parse_representor_ports(char *str, void *data)
+{
+ struct rte_eth_devargs *eth_da = data;
+
+ return rte_eth_devargs_process_range(str, eth_da->representor_ports,
+ ð_da->nb_representor_ports, RTE_MAX_ETHPORTS);
+}