From: Vipin Varghese <vipin.varghese@intel.com>
Date: Sat, 12 May 2018 06:21:33 +0000 (+0530)
Subject: net/tap: add default name to tun
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=f5fd98c802e8911513fff217a01d0a61eba86ff1;p=dpdk.git

net/tap: add default name to tun

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.varghese@intel.com>
Reviewed-by: Ferruh Yigit <ferruh.yigit@intel.com>
---

diff --git a/drivers/net/tap/rte_eth_tap.c b/drivers/net/tap/rte_eth_tap.c
index d3d1111aa1..1d460787dc 100644
--- a/drivers/net/tap/rte_eth_tap.c
+++ b/drivers/net/tap/rte_eth_tap.c
@@ -66,7 +66,7 @@ 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];
@@ -1602,6 +1602,9 @@ 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);