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net/tap: fix vdev data sharing for tun

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Enables TUN PMD sharing by attaching the port from the shared data.

Fixes: ee27edbe0c10 ("drivers/net: share vdev data to secondary process")

Signed-off-by: Vipin Varghese <vipin.varghese@intel.com>
Acked-by: Keith Wiles <keith.wiles@intel.com>
This commit is contained in:
Vipin Varghese 2018-05-22 16:31:54 +05:30 committed by Ferruh Yigit
parent d1883bf1de
commit d8dc42fab6
1 changed files with 12 additions and 0 deletions
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12
drivers/net/tap/rte_eth_tap.c
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@ -1653,6 +1653,7 @@ rte_pmd_tun_probe(struct rte_vdev_device *dev)
struct rte_kvargs *kvlist = NULL;
char tun_name[RTE_ETH_NAME_MAX_LEN];
char remote_iface[RTE_ETH_NAME_MAX_LEN];
struct rte_eth_dev *eth_dev;
strcpy(tuntap_name, "TUN");
@ -1660,6 +1661,17 @@ rte_pmd_tun_probe(struct rte_vdev_device *dev)
params = rte_vdev_device_args(dev);
memset(remote_iface, 0, RTE_ETH_NAME_MAX_LEN);
if (rte_eal_process_type() == RTE_PROC_SECONDARY &&
strlen(params) == 0) {
eth_dev = rte_eth_dev_attach_secondary(name);
if (!eth_dev) {
TAP_LOG(ERR, "Failed to probe %s", name);
return -1;
}
eth_dev->dev_ops = &ops;
return 0;
}
snprintf(tun_name, sizeof(tun_name), "%s%u",
DEFAULT_TUN_NAME, tun_unit++);