[dpdk-dev] [PATCH v2] net/tap: add default name to tun

[Vipin Varghese]

The change adds default name to reflect TUN PMD instance. if option
name is not passed, the default dtun is taken.

Signed-off-by: Vipin Varghese <vipin.vargh...@intel.com>
---

Changes in V2:
unsigned instead of signed for dev_index - Stephen Hemminger
---
 drivers/net/tap/rte_eth_tap.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/net/tap/rte_eth_tap.c b/drivers/net/tap/rte_eth_tap.c
index 172a7ba..48c61b3 100644
--- a/drivers/net/tap/rte_eth_tap.c
+++ b/drivers/net/tap/rte_eth_tap.c
@@ -65,7 +65,7 @@ static const char *valid_arguments[] = {
 };
 
 static int tap_unit;
-static int tun_unit;
+static unsigned int tun_unit;
 
 static int tap_type;
 static char tuntap_name[8];
@@ -1665,6 +1665,9 @@ rte_pmd_tun_probe(struct rte_vdev_device *dev)
        params = rte_vdev_device_args(dev);
        memset(remote_iface, 0, RTE_ETH_NAME_MAX_LEN);
 
+       snprintf(tun_name, sizeof(tun_name), "%s%u",
+                DEFAULT_TUN_NAME, tun_unit++);
+
        if (params && (params[0] != '\0')) {
                TAP_LOG(DEBUG, "parameters (%s)", params);
 
-- 
2.7.4