ethdev: add device iterator

[dpdk.git] / lib / librte_ether / rte_ethdev.c

diff --git a/lib/librte_ether/rte_ethdev.c b/lib/librte_ether/rte_ethdev.c
index d737ca6..4e1e6dc 100644 (file)
--- a/lib/librte_ether/rte_ethdev.c
+++ b/lib/librte_ether/rte_ethdev.c
@@ -138,6 +138,19 @@ enum {
        STAT_QMAP_RX
 };
 
+uint8_t
+rte_eth_find_next(uint8_t port_id)
+{
+       while (port_id < RTE_MAX_ETHPORTS &&
+              rte_eth_devices[port_id].state != RTE_ETH_DEV_ATTACHED)
+               port_id++;
+
+       if (port_id >= RTE_MAX_ETHPORTS)
+               return RTE_MAX_ETHPORTS;
+
+       return port_id;
+}
+
 static void
 rte_eth_dev_data_alloc(void)
 {
@@ -424,9 +437,7 @@ rte_eth_dev_get_port_by_name(const char *name, uint8_t *port_id)
                return -ENODEV;
 
        *port_id = RTE_MAX_ETHPORTS;
-
-       for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
-
+       RTE_ETH_FOREACH_DEV(i) {
                if (!strncmp(name,
                        rte_eth_dev_data[i].name, strlen(name))) {