From: Huisong Li <lihuis...@huawei.com>

Currently, ethtool directly ends the process after 'quit' cmd. In this
case, software resources are not released and hardware resources of the
device are not uninstalled.

This patch adds closing port operation to release resources.

Fixes: bda68ab9d1e7 ("examples/ethtool: add user-space ethtool sample 
application")
Cc: sta...@dpdk.org

Signed-off-by: Huisong Li <lihuis...@huawei.com>
Signed-off-by: Min Hu (Connor) <humi...@huawei.com>
---
 examples/ethtool/ethtool-app/main.c | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/examples/ethtool/ethtool-app/main.c 
b/examples/ethtool/ethtool-app/main.c
index c6023a1..adabe6e 100644
--- a/examples/ethtool/ethtool-app/main.c
+++ b/examples/ethtool/ethtool-app/main.c
@@ -256,6 +256,27 @@ static int worker_main(__rte_unused void *ptr_data)
        return 0;
 }
 
+static void close_ports(void)
+{
+       uint16_t portid;
+       int ret;
+
+       for (portid = 0; portid < app_cfg.cnt_ports; portid++) {
+               printf("Closing port %d...", portid);
+               ret = rte_eth_dev_stop(portid);
+               if (ret != 0)
+                       rte_exit(EXIT_FAILURE, "rte_eth_dev_stop: err=%s, 
port=%u\n",
+                                strerror(-ret), portid);
+               rte_eth_dev_close(portid);
+               printf(" Done\n");
+       }
+
+       ret = rte_eal_cleanup();
+       if (ret != 0)
+               rte_exit(EXIT_FAILURE, "EAL cleanup failed: %s\n",
+                        strerror(-ret));
+}
+
 int main(int argc, char **argv)
 {
        int cnt_args_parsed;
@@ -299,5 +320,7 @@ int main(int argc, char **argv)
                        return -1;
        }
 
+       close_ports();
+
        return 0;
 }
-- 
2.7.4

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