[ovs-dev] [PATCH 3/8] dpdk: reject --user option

[Andy Zhou]

dpdk datapath needs to run as root. Block the --user
option for now. It is likely we will revisit this issue for possibly
supporting --user option for dpdk datapath process as well.

Signed-off-by: Andy Zhou <azhou at nicira.com>
---
 lib/netdev-dpdk.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/lib/netdev-dpdk.c b/lib/netdev-dpdk.c
index e7eb526..fc62c0e 100644
--- a/lib/netdev-dpdk.c
+++ b/lib/netdev-dpdk.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2014 Nicira, Inc.
+ * Copyright (c) 2014, 2015 Nicira, Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -2142,6 +2142,14 @@ dpdk_init(int argc, char **argv)
     argc--;
     argv++;
 
+    /* Reject --user option */
+    int i;
+    for (i =0; i< argc; i++) {
+         if (!strcmp(argv[i], "--user")) {
+            VLOG_ERR("Can not specify both --dpdk and --user, aborting.");
+        }
+    }
+
 #ifdef VHOST_CUSE
     if (process_vhost_flags("-cuse_dev_name", strdup("vhost-net"),
                             PATH_MAX, argv, &cuse_dev_name)) {
-- 
1.9.1